The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2971-2 advisory.

    USN-2971-1 fixed vulnerabilities in the Linux kernel for Ubuntu 15.10. This update provides the     corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 15.10 for Ubuntu 14.04     LTS.

    Ralf Spenneberg discovered that the Aiptek Tablet USB device driver in the Linux kernel did not properly     validate the endpoints reported by the device. An attacker with physical access could cause a denial of     service (system crash). (CVE-2015-7515)

    Zach Riggle discovered that the Linux kernel's list poison feature did not take into account the     mmap_min_addr value. A local attacker could use this to bypass the kernel's poison-pointer protection     mechanism while attempting to exploit an existing kernel vulnerability. (CVE-2016-0821)

    Ralf Spenneberg discovered that the USB sound subsystem in the Linux kernel did not properly validate USB     device descriptors. An attacker with physical access could use this to cause a denial of service (system     crash). (CVE-2016-2184)

    Ralf Spenneberg discovered that the ATI Wonder Remote II USB driver in the Linux kernel did not properly     validate USB device descriptors. An attacker with physical access could use this to cause a denial of     service (system crash). (CVE-2016-2185)

    Ralf Spenneberg discovered that the PowerMate USB driver in the Linux kernel did not properly validate USB     device descriptors. An attacker with physical access could use this to cause a denial of service (system     crash). (CVE-2016-2186)

    Ralf Spenneberg discovered that the I/O-Warrior USB device driver in the Linux kernel did not properly     validate USB device descriptors. An attacker with physical access could use this to cause a denial of     service (system crash). (CVE-2016-2188)

    Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the MCT USB RS232 Converter device     driver in the Linux kernel did not properly validate USB device descriptors. An attacker with physical     access could use this to cause a denial of service (system crash). (CVE-2016-3136)

    Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the Cypress M8 USB device driver     in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access     could use this to cause a denial of service (system crash). (CVE-2016-3137)

    Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the USB abstract device control     driver for modems and ISDN adapters did not validate endpoint descriptors. An attacker with physical     access could use this to cause a denial of service (system crash). (CVE-2016-3138)

    Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the Linux kernel's USB driver for     Digi AccelePort serial converters did not properly validate USB device descriptors. An attacker with     physical access could use this to cause a denial of service (system crash). (CVE-2016-3140)

    It was discovered that the IPv4 implementation in the Linux kernel did not perform the destruction of inet     device objects properly. An attacker in a guest OS could use this to cause a denial of service (networking     outage) in the host OS. (CVE-2016-3156)

    Andy Lutomirski discovered that the Linux kernel did not properly context- switch IOPL on 64-bit PV Xen     guests. An attacker in a guest OS could use this to cause a denial of service (guest OS crash), gain     privileges, or obtain sensitive information. (CVE-2016-3157)

    It was discovered that the Linux kernel's USB driver for IMS Passenger Control Unit devices did not     properly validate the device's interfaces. An attacker with physical access could use this to cause a     denial of service (system crash). (CVE-2016-3689)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2965-4 advisory.

    Jann Horn discovered that the extended Berkeley Packet Filter (eBPF) implementation in the Linux kernel     did not properly reference count file descriptors, leading to a use-after-free. A local unprivileged     attacker could use this to gain administrative privileges.

    Ralf Spenneberg discovered that the USB sound subsystem in the Linux kernel did not properly validate USB     device descriptors. An attacker with physical access could use this to cause a denial of service (system     crash). (CVE-2016-2184)

    Ralf Spenneberg discovered that the ATI Wonder Remote II USB driver in the Linux kernel did not properly     validate USB device descriptors. An attacker with physical access could use this to cause a denial of     service (system crash). (CVE-2016-2185)

    Ralf Spenneberg discovered that the PowerMate USB driver in the Linux kernel did not properly validate USB     device descriptors. An attacker with physical access could use this to cause a denial of service (system     crash). (CVE-2016-2186)

    Ralf Spenneberg discovered that the I/O-Warrior USB device driver in the Linux kernel did not properly     validate USB device descriptors. An attacker with physical access could use this to cause a denial of     service (system crash). (CVE-2016-2188)

    Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the MCT USB RS232 Converter device     driver in the Linux kernel did not properly validate USB device descriptors. An attacker with physical     access could use this to cause a denial of service (system crash). (CVE-2016-3136)

    Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the Cypress M8 USB device driver     in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access     could use this to cause a denial of service (system crash). (CVE-2016-3137)

    Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the USB abstract device control     driver for modems and ISDN adapters did not validate endpoint descriptors. An attacker with physical     access could use this to cause a denial of service (system crash). (CVE-2016-3138)

    Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the Linux kernel's USB driver for     Digi AccelePort serial converters did not properly validate USB device descriptors. An attacker with     physical access could use this to cause a denial of service (system crash). (CVE-2016-3140)

    It was discovered that the IPv4 implementation in the Linux kernel did not perform the destruction of inet     device objects properly. An attacker in a guest OS could use this to cause a denial of service (networking     outage) in the host OS. (CVE-2016-3156)

    Andy Lutomirski discovered that the Linux kernel did not properly context- switch IOPL on 64-bit PV Xen     guests. An attacker in a guest OS could use this to cause a denial of service (guest OS crash), gain     privileges, or obtain sensitive information. (CVE-2016-3157)

    Hector Marco and Ismael Ripoll discovered that the Linux kernel would improperly disable Address Space     Layout Randomization (ASLR) for x86 processes running in 32 bit mode if stack-consumption resource limits     were disabled. A local attacker could use this to make it easier to exploit an existing vulnerability in a     setuid/setgid program. (CVE-2016-3672)

    It was discovered that the Linux kernel's USB driver for IMS Passenger Control Unit devices did not     properly validate the device's interfaces. An attacker with physical access could use this to cause a     denial of service (system crash). (CVE-2016-3689)

    Andrey Konovalov discovered that the CDC Network Control Model USB driver in the Linux kernel did not     cancel work events queued if a later error occurred, resulting in a use-after-free. An attacker with     physical access could use this to cause a denial of service (system crash). (CVE-2016-3951)

    It was discovered that an out-of-bounds write could occur when handling incoming packets in the USB/IP     implementation in the Linux kernel. A remote attacker could use this to cause a denial of service (system     crash) or possibly execute arbitrary code. (CVE-2016-3955)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Jann Horn discovered that eCryptfs improperly attempted to use the mmap() handler of a lower filesystem that did not implement one, causing a recursive page fault to occur. A local unprivileged attacker could use to cause a denial of service (system crash) or possibly execute arbitrary code with administrative privileges. (CVE-2016-1583)

Ralf Spenneberg discovered that the USB sound subsystem in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-2184)

Ralf Spenneberg discovered that the ATI Wonder Remote II USB driver in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-2185)

Ralf Spenneberg discovered that the PowerMate USB driver in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-2186)

Ralf Spenneberg discovered that the Linux kernel's GTCO digitizer USB device driver did not properly validate endpoint descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-2187)

Ralf Spenneberg discovered that the I/O-Warrior USB device driver in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-2188)

Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the MCT USB RS232 Converter device driver in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-3136)

Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the Cypress M8 USB device driver in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash).
(CVE-2016-3137)

Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the USB abstract device control driver for modems and ISDN adapters did not validate endpoint descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-3138)

Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the Linux kernel's USB driver for Digi AccelePort serial converters did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-3140)

It was discovered that the IPv4 implementation in the Linux kernel did not perform the destruction of inet device objects properly. An attacker in a guest OS could use this to cause a denial of service (networking outage) in the host OS. (CVE-2016-3156)

Andy Lutomirski discovered that the Linux kernel did not properly context- switch IOPL on 64-bit PV Xen guests. An attacker in a guest OS could use this to cause a denial of service (guest OS crash), gain privileges, or obtain sensitive information. (CVE-2016-3157)

Hector Marco and Ismael Ripoll discovered that the Linux kernel would improperly disable Address Space Layout Randomization (ASLR) for x86 processes running in 32 bit mode if stack-consumption resource limits were disabled. A local attacker could use this to make it easier to exploit an existing vulnerability in a setuid/setgid program.
(CVE-2016-3672)

It was discovered that an out-of-bounds write could occur when handling incoming packets in the USB/IP implementation in the Linux kernel. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2016-3955)

Kangjie Lu discovered an information leak in the ANSI/IEEE 802.2 LLC type 2 Support implementations in the Linux kernel. A local attacker could use this to obtain potentially sensitive information from kernel memory. (CVE-2016-4485)

Kangjie Lu discovered an information leak in the routing netlink socket interface (rtnetlink) implementation in the Linux kernel. A local attacker could use this to obtain potentially sensitive information from kernel memory. (CVE-2016-4486).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The openSUSE 13.2 kernel was updated to fix various bugs and security issues.

The following security bugs were fixed :

  - CVE-2016-1583: Prevent the usage of mmap when the lower     file system does not allow it. This could have lead to     local privilege escalation when ecryptfs-utils was     installed and /sbin/mount.ecryptfs_private was setuid     (bsc#983143).

  - CVE-2016-4913: The get_rock_ridge_filename function in     fs/isofs/rock.c in the Linux kernel mishandles NM (aka     alternate name) entries containing \0 characters, which     allowed local users to obtain sensitive information from     kernel memory or possibly have unspecified other impact     via a crafted isofs filesystem (bnc#980725).

  - CVE-2016-4580: The x25_negotiate_facilities function in     net/x25/x25_facilities.c in the Linux kernel did not     properly initialize a certain data structure, which     allowed attackers to obtain sensitive information from     kernel stack memory via an X.25 Call Request     (bnc#981267).

  - CVE-2016-0758: Tags with indefinite length could have     corrupted pointers in asn1_find_indefinite_length     (bsc#979867).

  - CVE-2016-2053: The asn1_ber_decoder function in     lib/asn1_decoder.c in the Linux kernel allowed attackers     to cause a denial of service (panic) via an ASN.1 BER     file that lacks a public key, leading to mishandling by     the public_key_verify_signature function in     crypto/asymmetric_keys/public_key.c (bnc#963762).

  - CVE-2016-2187: The gtco_probe function in     drivers/input/tablet/gtco.c in the Linux kernel allowed     physically proximate attackers to cause a denial of     service (NULL pointer dereference and system crash) via     a crafted endpoints value in a USB device descriptor     (bnc#971919 971944).

  - CVE-2016-4482: The proc_connectinfo function in     drivers/usb/core/devio.c in the Linux kernel did not     initialize a certain data structure, which allowed local     users to obtain sensitive information from kernel stack     memory via a crafted USBDEVFS_CONNECTINFO ioctl call     (bnc#978401 bsc#978445).

  - CVE-2016-4565: The InfiniBand (aka IB) stack in the     Linux kernel incorrectly relies on the write system     call, which allowed local users to cause a denial of     service (kernel memory write operation) or possibly have     unspecified other impact via a uAPI interface     (bnc#979548 bsc#980363).

  - CVE-2016-3672: The arch_pick_mmap_layout function in     arch/x86/mm/mmap.c in the Linux kernel did not properly     randomize the legacy base address, which made it easier     for local users to defeat the intended restrictions on     the ADDR_NO_RANDOMIZE flag, and bypass the ASLR     protection mechanism for a setuid or setgid program, by     disabling stack-consumption resource limits     (bnc#974308).

  - CVE-2016-4581: fs/pnode.c in the Linux kernel did not     properly traverse a mount propagation tree in a certain     case involving a slave mount, which allowed local users     to cause a denial of service (NULL pointer dereference     and OOPS) via a crafted series of mount system calls     (bnc#979913).

  - CVE-2016-4485: The llc_cmsg_rcv function in     net/llc/af_llc.c in the Linux kernel did not initialize     a certain data structure, which allowed attackers to     obtain sensitive information from kernel stack memory by     reading a message (bnc#978821).

  - CVE-2015-3288: A security flaw was found in the Linux     kernel that there was a way to arbitrary change zero     page memory. (bnc#979021).

  - CVE-2016-4578: sound/core/timer.c in the Linux kernel     did not initialize certain r1 data structures, which     allowed local users to obtain sensitive information from     kernel stack memory via crafted use of the ALSA timer     interface, related to the (1) snd_timer_user_ccallback     and (2) snd_timer_user_tinterrupt functions     (bnc#979879).

  - CVE-2016-3134: The netfilter subsystem in the Linux     kernel did not validate certain offset fields, which     allowed local users to gain privileges or cause a denial     of service (heap memory corruption) via an     IPT_SO_SET_REPLACE setsockopt call (bnc#971126).

  - CVE-2016-4486: The rtnl_fill_link_ifmap function in     net/core/rtnetlink.c in the Linux kernel did not     initialize a certain data structure, which allowed local     users to obtain sensitive information from kernel stack     memory by reading a Netlink message (bnc#978822).

  - CVE-2013-7446: Use-after-free vulnerability in     net/unix/af_unix.c in the Linux kernel allowed local     users to bypass intended AF_UNIX socket permissions or     cause a denial of service (panic) via crafted epoll_ctl     calls (bnc#955654).

  - CVE-2016-4569: The snd_timer_user_params function in     sound/core/timer.c in the Linux kernel did not     initialize a certain data structure, which allowed local     users to obtain sensitive information from kernel stack     memory via crafted use of the ALSA timer interface     (bnc#979213).

  - CVE-2016-2847: fs/pipe.c in the Linux kernel did not     limit the amount of unread data in pipes, which allowed     local users to cause a denial of service (memory     consumption) by creating many pipes with non-default     sizes (bnc#970948 974646).

  - CVE-2016-3136: The mct_u232_msr_to_state function in     drivers/usb/serial/mct_u232.c in the Linux kernel     allowed physically proximate attackers to cause a denial     of service (NULL pointer dereference and system crash)     via a crafted USB device without two interrupt-in     endpoint descriptors (bnc#970955).

  - CVE-2016-2188: The iowarrior_probe function in     drivers/usb/misc/iowarrior.c in the Linux kernel allowed     physically proximate attackers to cause a denial of     service (NULL pointer dereference and system crash) via     a crafted endpoints value in a USB device descriptor     (bnc#970956).

  - CVE-2016-3138: The acm_probe function in     drivers/usb/class/cdc-acm.c in the Linux kernel allowed     physically proximate attackers to cause a denial of     service (NULL pointer dereference and system crash) via     a USB device without both a control and a data endpoint     descriptor (bnc#970911).

  - CVE-2016-3137: drivers/usb/serial/cypress_m8.c in the     Linux kernel allowed physically proximate attackers to     cause a denial of service (NULL pointer dereference and     system crash) via a USB device without both an     interrupt-in and an interrupt-out endpoint descriptor,     related to the cypress_generic_port_probe and     cypress_open functions (bnc#970970).

  - CVE-2016-3951: Double free vulnerability in     drivers/net/usb/cdc_ncm.c in the Linux kernel allowed     physically proximate attackers to cause a denial of     service (system crash) or possibly have unspecified     other impact by inserting a USB device with an invalid     USB descriptor (bnc#974418).

  - CVE-2016-3140: The digi_port_init function in     drivers/usb/serial/digi_acceleport.c in the Linux kernel     allowed physically proximate attackers to cause a denial     of service (NULL pointer dereference and system crash)     via a crafted endpoints value in a USB device descriptor     (bnc#970892).

  - CVE-2016-2186: The powermate_probe function in     drivers/input/misc/powermate.c in the Linux kernel     allowed physically proximate attackers to cause a denial     of service (NULL pointer dereference and system crash)     via a crafted endpoints value in a USB device descriptor     (bnc#970958).

  - CVE-2016-2185: The ati_remote2_probe function in     drivers/input/misc/ati_remote2.c in the Linux kernel     allowed physically proximate attackers to cause a denial     of service (NULL pointer dereference and system crash)     via a crafted endpoints value in a USB device descriptor     (bnc#971124).

  - CVE-2016-3689: The ims_pcu_parse_cdc_data function in     drivers/input/misc/ims-pcu.c in the Linux kernel allowed     physically proximate attackers to cause a denial of     service (system crash) via a USB device without both a     master and a slave interface (bnc#971628).

  - CVE-2016-3156: The IPv4 implementation in the Linux     kernel mishandles destruction of device objects, which     allowed guest OS users to cause a denial of service     (host OS networking outage) by arranging for a large     number of IP addresses (bnc#971360).

  - CVE-2016-2184: The create_fixed_stream_quirk function in     sound/usb/quirks.c in the snd-usb-audio driver in the     Linux kernel allowed physically proximate attackers to     cause a denial of service (NULL pointer dereference or     double free, and system crash) via a crafted endpoints     value in a USB device descriptor (bnc#971125).

  - CVE-2016-3139: The wacom_probe function in     drivers/input/tablet/wacom_sys.c in the Linux kernel     allowed physically proximate attackers to cause a denial     of service (NULL pointer dereference and system crash)     via a crafted endpoints value in a USB device descriptor     (bnc#970909).

  - CVE-2015-8830: Integer overflow in the     aio_setup_single_vector function in fs/aio.c in the     Linux kernel 4.0 allowed local users to cause a denial     of service or possibly have unspecified other impact via     a large AIO iovec. NOTE: this vulnerability exists     because of a CVE-2012-6701 regression (bnc#969354     bsc#969355).

  - CVE-2016-2782: The treo_attach function in     drivers/usb/serial/visor.c in the Linux kernel allowed     physically proximate attackers to cause a denial of     service (NULL pointer dereference and system crash) or     possibly have unspecified other impact by inserting a     USB device that lacks a (1) bulk-in or (2) interrupt-in     endpoint (bnc#968670).

  - CVE-2015-8816: The hub_activate function in     drivers/usb/core/hub.c in the Linux kernel did not     properly maintain a hub-interface data structure, which     allowed physically proximate attackers to cause a denial     of service (invalid memory access and system crash) or     possibly have unspecified other impact by unplugging a     USB hub device (bnc#968010).

  - CVE-2015-7566: The clie_5_attach function in     drivers/usb/serial/visor.c in the Linux kernel allowed     physically proximate attackers to cause a denial of     service (NULL pointer dereference and system crash) or     possibly have unspecified other impact by inserting a     USB device that lacks a bulk-out endpoint (bnc#961512).

  - CVE-2016-2549: sound/core/hrtimer.c in the Linux kernel     did not prevent recursive callback access, which allowed     local users to cause a denial of service (deadlock) via     a crafted ioctl call (bnc#968013).

  - CVE-2016-2547: sound/core/timer.c in the Linux kernel     employs a locking approach that did not consider slave     timer instances, which allowed local users to cause a     denial of service (race condition, use-after-free, and     system crash) via a crafted ioctl call (bnc#968011).

  - CVE-2016-2548: sound/core/timer.c in the Linux kernel     retains certain linked lists after a close or stop     action, which allowed local users to cause a denial of     service (system crash) via a crafted ioctl call, related     to the (1) snd_timer_close and (2) _snd_timer_stop     functions (bnc#968012).

  - CVE-2016-2546: sound/core/timer.c in the Linux kernel     uses an incorrect type of mutex, which allowed local     users to cause a denial of service (race condition,     use-after-free, and system crash) via a crafted ioctl     call (bnc#967975).

  - CVE-2016-2545: The snd_timer_interrupt function in     sound/core/timer.c in the Linux kernel did not properly     maintain a certain linked list, which allowed local     users to cause a denial of service (race condition and     system crash) via a crafted ioctl call (bnc#967974).

  - CVE-2016-2544: Race condition in the queue_delete     function in sound/core/seq/seq_queue.c in the Linux     kernel allowed local users to cause a denial of service     (use-after-free and system crash) by making an ioctl     call at a certain time (bnc#967973).

  - CVE-2016-2543: The snd_seq_ioctl_remove_events function     in sound/core/seq/seq_clientmgr.c in the Linux kernel     did not verify FIFO assignment before proceeding with     FIFO clearing, which allowed local users to cause a     denial of service (NULL pointer dereference and OOPS)     via a crafted ioctl call (bnc#967972).

  - CVE-2015-8709: ** DISPUTED ** kernel/ptrace.c in the     Linux kernel mishandles uid and gid mappings, which     allowed local users to gain privileges by establishing a     user namespace, waiting for a root process to enter that     namespace with an unsafe uid or gid, and then using the     ptrace system call. NOTE: the vendor states 'there is no     kernel bug here (bnc#959709 960561 ).

  - CVE-2015-8812: drivers/infiniband/hw/cxgb3/iwch_cm.c in     the Linux kernel did not properly identify error     conditions, which allowed remote attackers to execute     arbitrary code or cause a denial of service     (use-after-free) via crafted packets (bnc#966437).

  - CVE-2016-2384: Double free vulnerability in the     snd_usbmidi_create function in sound/usb/midi.c in the     Linux kernel allowed physically proximate attackers to     cause a denial of service (panic) or possibly have     unspecified other impact via vectors involving an     invalid USB descriptor (bnc#966693).

  - CVE-2015-8785: The fuse_fill_write_pages function in     fs/fuse/file.c in the Linux kernel allowed local users     to cause a denial of service (infinite loop) via a     writev system call that triggers a zero length for the     first segment of an iov (bnc#963765).

  - CVE-2014-9904: The snd_compress_check_input function in     sound/core/compress_offload.c in the ALSA subsystem in     the Linux kernel did not properly check for an integer     overflow, which allowed local users to cause a denial of     service (insufficient memory allocation) or possibly     have unspecified other impact via a crafted     SNDRV_COMPRESS_SET_PARAMS ioctl call (bnc#986811).

  - CVE-2016-5829: Multiple heap-based buffer overflows in     the hiddev_ioctl_usage function in     drivers/hid/usbhid/hiddev.c in the Linux kernel allow     local users to cause a denial of service or possibly     have unspecified other impact via a crafted (1)     HIDIOCGUSAGES or (2) HIDIOCSUSAGES ioctl call     (bnc#986572 986573).

  - CVE-2016-4997: The compat IPT_SO_SET_REPLACE setsockopt     implementation in the netfilter subsystem in the Linux     kernel allowed local users to gain privileges or cause a     denial of service (memory corruption) by leveraging     in-container root access to provide a crafted offset     value that triggers an unintended decrement (bnc#986362     986365 986377).

  - CVE-2016-4805: Use-after-free vulnerability in     drivers/net/ppp/ppp_generic.c in the Linux kernel     allowed local users to cause a denial of service (memory     corruption and system crash, or spinlock) or possibly     have unspecified other impact by removing a network     namespace, related to the ppp_register_net_channel and     ppp_unregister_channel functions (bnc#980371).

  - CVE-2016-4470: The key_reject_and_link function in     security/keys/key.c in the Linux kernel did not ensure     that a certain data structure is initialized, which     allowed local users to cause a denial of service (system     crash) via vectors involving a crafted keyctl request2     command (bnc#984755 984764).

  - CVE-2015-6526: The perf_callchain_user_64 function in     arch/powerpc/perf/callchain.c in the Linux kernel on     ppc64 platforms allowed local users to cause a denial of     service (infinite loop) via a deep 64-bit userspace     backtrace (bnc#942702).

  - CVE-2016-5244: The rds_inc_info_copy function in     net/rds/recv.c in the Linux kernel did not initialize a     certain structure member, which allowed remote attackers     to obtain sensitive information from kernel stack memory     by reading an RDS message (bnc#983213).

The following non-security bugs were fixed :

  - ALSA: hrtimer: Handle start/stop more properly     (bsc#973378).

  - ALSA: pcm: Fix potential deadlock in OSS emulation     (bsc#968018).

  - ALSA: rawmidi: Fix race at copying & updating the     position (bsc#968018).

  - ALSA: rawmidi: Make snd_rawmidi_transmit() race-free     (bsc#968018).

  - ALSA: seq: Fix double port list deletion (bsc#968018).

  - ALSA: seq: Fix incorrect sanity check at     snd_seq_oss_synth_cleanup() (bsc#968018).

  - ALSA: seq: Fix leak of pool buffer at concurrent writes     (bsc#968018).

  - ALSA: seq: Fix lockdep warnings due to double mutex     locks (bsc#968018).

  - ALSA: seq: Fix race at closing in virmidi driver     (bsc#968018).

  - ALSA: seq: Fix yet another races among ALSA timer     accesses (bsc#968018).

  - ALSA: timer: Call notifier in the same spinlock     (bsc#973378).

  - ALSA: timer: Code cleanup (bsc#968018).

  - ALSA: timer: Fix leftover link at closing (bsc#968018).

  - ALSA: timer: Fix link corruption due to double start or     stop (bsc#968018).

  - ALSA: timer: Fix race between stop and interrupt     (bsc#968018).

  - ALSA: timer: Fix wrong instance passed to slave     callbacks (bsc#968018).

  - ALSA: timer: Protect the whole snd_timer_close() with     open race (bsc#973378).

  - ALSA: timer: Sync timer deletion at closing the system     timer (bsc#973378).

  - ALSA: timer: Use mod_timer() for rearming the system     timer (bsc#973378).

  - Bluetooth: vhci: Fix race at creating hci device     (bsc#971799,bsc#966849).

  - Bluetooth: vhci: fix open_timeout vs. hdev race     (bsc#971799,bsc#966849).

  - Bluetooth: vhci: purge unhandled skbs     (bsc#971799,bsc#966849).

  - Btrfs: do not use src fd for printk (bsc#980348).

  - Refresh     patches.drivers/ALSA-hrtimer-Handle-start-stop-more-prop     erly. Fix the build error on 32bit architectures.

  - Refresh patches.xen/xen-netback-coalesce: Restore     copying of SKBs with head exceeding page size     (bsc#978469).

  - Refresh patches.xen/xen3-patch-3.14: Suppress atomic     file position updates on /proc/xen/xenbus (bsc#970275).

  - Subject: [PATCH] USB: xhci: Add broken streams quirk for     Frescologic device id 1009 (bnc#982706).

  - USB: usbip: fix potential out-of-bounds write     (bnc#975945).

  - af_unix: Guard against other == sk in unix_dgram_sendmsg     (bsc#973570).

  - backends: guarantee one time reads of shared ring     contents (bsc#957988).

  - btrfs: do not go readonly on existing qgroup items     (bsc#957052).

  - btrfs: remove error message from search ioctl for     nonexistent tree.

  - drm/i915: Fix missing backlight update during panel     disablement (bsc#941113 boo#901754).

  - enic: set netdev->vlan_features (bsc#966245).

  - ext4: fix races between buffered IO and collapse /     insert range (bsc#972174).

  - ext4: fix races between page faults and hole punching     (bsc#972174).

  - ext4: fix races of writeback with punch hole and zero     range (bsc#972174).

  - ext4: move unlocked dio protection from     ext4_alloc_file_blocks() (bsc#972174).

  - ipv4/fib: do not warn when primary address is missing if     in_dev is dead (bsc#971360).

  - ipvs: count pre-established TCP states as active     (bsc#970114).

  - net: core: Correct an over-stringent device loop     detection (bsc#945219).

  - netback: do not use last request to determine minimum Tx     credit (bsc#957988).

  - pciback: Check PF instead of VF for PCI_COMMAND_MEMORY.

  - pciback: Save the number of MSI-X entries to be copied     later.

  - pciback: guarantee one time reads of shared ring     contents (bsc#957988).

  - series.conf: move cxgb3 patch to network drivers section

  - usb: quirk to stop runtime PM for Intel 7260     (bnc#984464).

  - x86: standardize mmap_rnd() usage (bnc#974308).

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002558 advisory.

    The acm_probe function in drivers/usb/class/cdc-acm.c in the Linux kernel before 4.5.1 allows physically     proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a USB     device without both a control and a data endpoint descriptor.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - The snd_timer_interrupt function in sound/core/timer.c     in the Linux kernel before 4.4.1 does not properly     maintain a certain linked list, which allows local     users to cause a denial of service (race condition and     system crash) via a crafted ioctl call.(CVE-2016-2545)

  - sound/core/timer.c in the Linux kernel before 4.4.1     uses an incorrect type of mutex, which allows local     users to cause a denial of service (race condition,     use-after-free, and system crash) via a crafted ioctl     call.(CVE-2016-2546)

  - sound/core/timer.c in the Linux kernel before 4.4.1     employs a locking approach that does not consider slave     timer instances, which allows local users to cause a     denial of service (race condition, use-after-free, and     system crash) via a crafted ioctl call.(CVE-2016-2547)

  - sound/core/timer.c in the Linux kernel before 4.4.1     retains certain linked lists after a close or stop     action, which allows local users to cause a denial of     service (system crash) via a crafted ioctl call,     related to the (1) snd_timer_close and (2)
    _snd_timer_stop functions.(CVE-2016-2548)

  - sound/core/hrtimer.c in the Linux kernel before 4.4.1     does not prevent recursive callback access, which     allows local users to cause a denial of service     (deadlock) via a crafted ioctl call.(CVE-2016-2549)

  - A resource-exhaustion vulnerability was found in the     kernel, where an unprivileged process could allocate     and accumulate far more file descriptors than the     process' limit. A local, unauthenticated user could     exploit this flaw by sending file descriptors over a     Unix socket and then closing them to keep the process'     fd count low, thereby creating kernel-memory or     file-descriptors exhaustion (denial of     service).(CVE-2016-2550)

  - It is possible for a single process to cause an OOM     condition by filling large pipes with data that are     never read. A typical process filling 4096 pipes with 1     MB of data will use 4 GB of memory and there can be     multiple such processes, up to a     per-user-limit.(CVE-2016-2847)

  - A security flaw was found in the Linux kernel that an     attempt to move page mapped by AIO ring buffer to the     other node triggers NULL pointer dereference at     trace_writeback_dirty_page(), because     aio_fs_backing_dev_info.dev is 0.(CVE-2016-3070)

  - A security flaw was found in the Linux kernel in the     mark_source_chains() function in     'net/ipv4/netfilter/ip_tables.c'. It is possible for a     user-supplied 'ipt_entry' structure to have a large     'next_offset' field. This field is not bounds checked     prior to writing to a counter value at the supplied     offset.(CVE-2016-3134)

  - An integer overflow vulnerability was found in the     Linux kernel in xt_alloc_table_info, which on 32-bit     systems can lead to small structure allocation and a     copy_from_user based heap corruption.(CVE-2016-3135)

  - The mct_u232_msr_to_state function in     drivers/usb/serial/mct_u232.c in the Linux kernel     before 4.5.1 allows physically proximate attackers to     cause a denial of service (NULL pointer dereference and     system crash) via a crafted USB device without two     interrupt-in endpoint descriptors.(CVE-2016-3136)

  - drivers/usb/serial/cypress_m8.c in the Linux kernel     before 4.5.1 allows physically proximate attackers to     cause a denial of service (NULL pointer dereference and     system crash) via a USB device without both an     interrupt-in and an interrupt-out endpoint descriptor,     related to the cypress_generic_port_probe and     cypress_open functions.(CVE-2016-3137)

  - The acm_probe function in drivers/usb/class/cdc-acm.c     in the Linux kernel before 4.5.1 allows physically     proximate attackers to cause a denial of service (NULL     pointer dereference and system crash) via a USB device     without both a control and a data endpoint     descriptor.(CVE-2016-3138)

  - The wacom_probe function in     drivers/input/tablet/wacom_sys.c in the Linux kernel     before 3.17 allows physically proximate attackers to     cause a denial of service (NULL pointer dereference and     system crash) via a crafted endpoints value in a USB     device descriptor.(CVE-2016-3139)

  - The digi_port_init function in     drivers/usb/serial/digi_acceleport.c in the Linux     kernel before 4.5.1 allows physically proximate     attackers to cause a denial of service (NULL pointer     dereference and system crash) via a crafted endpoints     value in a USB device descriptor.(CVE-2016-3140)

  - 'A security flaw was found in the Linux kernel's     networking subsystem that destroying the network     interface with huge number of ipv4 addresses assigned     keeps ''rtnl_lock'' spinlock for a very long time (up     to hour). This blocks many network-related operations,     including creation of new incoming ssh connections.

  - The problem is especially important for containers, as     the container owner has enough permissions to trigger     this and block a network access on a whole host,     outside the container.(CVE-2016-3156)'

  - A weakness was found in the Linux ASLR implementation.
    Any user able to running 32-bit applications in a x86     machine can disable ASLR by setting the RLIMIT_STACK     resource to unlimited.(CVE-2016-3672)

  - The ims_pcu_parse_cdc_data function in     drivers/input/misc/ims-pcu.c in the Linux kernel before     4.5.1 allows physically proximate attackers to cause a     denial of service (system crash) via a USB device     without both a master and a slave     interface.(CVE-2016-3689)

  - It was found that the Linux kernel's IPv6     implementation mishandled socket options. A local     attacker could abuse concurrent access to the socket     options to escalate their privileges, or cause a denial     of service (use-after-free and system crash) via a     crafted sendmsg system call.(CVE-2016-3841)

  - The usbip_recv_xbuff function in     drivers/usb/usbip/usbip_common.c in the Linux kernel     before 4.5.3 allows remote attackers to cause a denial     of service (out-of-bounds write) or possibly have     unspecified other impact via a crafted length value in     a USB/IP packet.(CVE-2016-3955)

  - A flaw was found in the Linux kernel's keyring handling     code: the key_reject_and_link() function could be     forced to free an arbitrary memory block. An attacker     could use this flaw to trigger a use-after-free     condition on the system, potentially allowing for     privilege escalation.(CVE-2016-4470)

  - The proc_connectinfo() function in     'drivers/usb/core/devio.c' in the Linux kernel through     4.6 does not initialize a certain data structure, which     allows local users to obtain sensitive information from     kernel stack memory via a crafted USBDEVFS_CONNECTINFO     ioctl call. The stack object 'ci' has a total size of 8     bytes. Its last 3 bytes are padding bytes which are not     initialized and are leaked to userland.(CVE-2016-4482)

  - A flaw was found in the way certain interfaces of the     Linux kernel's Infiniband subsystem used write() as     bi-directional ioctl() replacement, which could lead to     insufficient memory security checks when being invoked     using the splice() system call. A local unprivileged     user on a system with either Infiniband hardware     present or RDMA Userspace Connection Manager Access     module explicitly loaded, could use this flaw to     escalate their privileges on the system.(CVE-2016-4565)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Ralf Spenneberg discovered that the Aiptek Tablet USB device driver in the Linux kernel did not properly sanity check the endpoints reported by the device. An attacker with physical access could cause a denial of service (system crash). (CVE-2015-7515)

Zach Riggle discovered that the Linux kernel's list poison feature did not take into account the mmap_min_addr value. A local attacker could use this to bypass the kernel's poison-pointer protection mechanism while attempting to exploit an existing kernel vulnerability.
(CVE-2016-0821)

Ralf Spenneberg discovered that the USB sound subsystem in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-2184)

Ralf Spenneberg discovered that the ATI Wonder Remote II USB driver in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-2185)

Ralf Spenneberg discovered that the PowerMate USB driver in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-2186)

Ralf Spenneberg discovered that the I/O-Warrior USB device driver in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-2188)

Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the MCT USB RS232 Converter device driver in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-3136)

Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the Cypress M8 USB device driver in the Linux kernel did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash).
(CVE-2016-3137)

Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the USB abstract device control driver for modems and ISDN adapters did not validate endpoint descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-3138)

Sergej Schumilo, Hendrik Schwartke, and Ralf Spenneberg discovered that the Linux kernel's USB driver for Digi AccelePort serial converters did not properly validate USB device descriptors. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-3140)

It was discovered that the IPv4 implementation in the Linux kernel did not perform the destruction of inet device objects properly. An attacker in a guest OS could use this to cause a denial of service (networking outage) in the host OS. (CVE-2016-3156)

Andy Lutomirski discovered that the Linux kernel did not properly context- switch IOPL on 64-bit PV Xen guests. An attacker in a guest OS could use this to cause a denial of service (guest OS crash), gain privileges, or obtain sensitive information. (CVE-2016-3157)

It was discovered that the Linux kernel's USB driver for IMS Passenger Control Unit devices did not properly validate the device's interfaces. An attacker with physical access could use this to cause a denial of service (system crash). (CVE-2016-3689).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update fixes the CVEs described below.

CVE-2016-0821

Solar Designer noted that the list 'poisoning' feature, intended to mitigate the effects of bugs in list manipulation in the kernel, used poison values within the range of virtual addresses that can be allocated by user processes.

CVE-2016-1583

Jann Horn of Google Project Zero reported that the eCryptfs filesystem could be used together with the proc filesystem to cause a kernel stack overflow. If the ecryptfs-utils package was installed, local users could exploit this, via the mount.ecryptfs_private program, for denial of service (crash) or possibly for privilege escalation.

CVE-2016-2184, CVE-2016-2185, CVE-2016-2186, CVE-2016-2187, CVE-2016-3136, CVE-2016-3137, CVE-2016-3138, CVE-2016-3140

Ralf Spenneberg of OpenSource Security reported that various USB drivers do not sufficiently validate USB descriptors. This allowed a physically present user with a specially designed USB device to cause a denial of service (crash). Not all the drivers have yet been fixed.

CVE-2016-3134

The Google Project Zero team found that the netfilter subsystem does not sufficiently validate filter table entries. A user with the CAP_NET_ADMIN capability could use this for denial of service (crash) or possibly for privilege escalation.

CVE-2016-3157 / XSA-171

Andy Lutomirski discovered that the x86_64 (amd64) task switching implementation did not correctly update the I/O permission level when running as a Xen paravirtual (PV) guest. In some configurations this would allow local users to cause a denial of service (crash) or to escalate their privileges within the guest.

CVE-2016-3672

Hector Marco and Ismael Ripoll noted that it was still possible to disable Address Space Layout Randomisation (ASLR) for x86_32 (i386) programs by removing the stack resource limit. This made it easier for local users to exploit security flaws in programs that have the setuid or setgid flag set.

CVE-2016-3951

It was discovered that the cdc_ncm driver would free memory prematurely if certain errors occurred during its initialisation. This allowed a physically present user with a specially designed USB device to cause a denial of service (crash) or possibly to escalate their privileges.

CVE-2016-3955

Ignat Korchagin reported that the usbip subsystem did not check the length of data received for a USB buffer. This allowed denial of service (crash) or privilege escalation on a system configured as a usbip client, by the usbip server or by an attacker able to impersonate it over the network. A system configured as a usbip server might be similarly vulnerable to physically present users.

CVE-2016-3961 / XSA-174

Vitaly Kuznetsov of Red Hat discovered that Linux allowed use of hugetlbfs on x86 (i386 and amd64) systems even when running as a Xen paravirtualised (PV) guest, although Xen does not support huge pages.
This allowed users with access to /dev/hugepages to cause a denial of service (crash) in the guest.

CVE-2016-4482, CVE-2016-4485, CVE-2016-4486, CVE-2016-4569, CVE-2016-4578, CVE-2016-4580, CVE-2016-5243, CVE-2016-5244

Kangjie Lu reported that the USB devio, llc, rtnetlink, ALSA timer, x25, tipc, and rds facilities leaked information from the kernel stack.

CVE-2016-4565

Jann Horn of Google Project Zero reported that various components in the InfiniBand stack implemented unusual semantics for the write() operation. On a system with InfiniBand drivers loaded, local users could use this for denial of service or privilege escalation.

CVE-2016-4913

Al Viro found that the ISO9660 filesystem implementation did not correctly count the length of certain invalid name entries. Reading a directory containing such name entries would leak information from kernel memory. Users permitted to mount disks or disk images could use this to obtain sensitive information.

For Debian 7 'Wheezy', these problems have been fixed in version 3.2.81-1.

This update also fixes bug #627782, which caused data corruption in some applications running on an aufs filesystem, and includes many other bug fixes from upstream stable updates 3.2.79, 3.2.80 and 3.2.81.

For Debian 8 'Jessie', these problems will be fixed soon.

We recommend that you upgrade your linux packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

  - CVE-2015-7515, CVE-2016-2184, CVE-2016-2185,     CVE-2016-2186, CVE-2016-2187, CVE-2016-3136,     CVE-2016-3137, CVE-2016-3138, CVE-2016-3140     Ralf Spenneberg of OpenSource Security reported that     various USB drivers do not sufficiently validate USB     descriptors. This allowed a physically present user with     a specially designed USB device to cause a denial of     service (crash).

  - CVE-2016-0821     Solar Designer noted that the list 'poisoning' feature,     intended to mitigate the effects of bugs in list     manipulation in the kernel, used poison values within     the range of virtual addresses that can be allocated by     user processes.

  - CVE-2016-1237     David Sinquin discovered that nfsd does not check     permissions when setting ACLs, allowing users to grant     themselves permissions to a file by setting the ACL.

  - CVE-2016-1583     Jann Horn of Google Project Zero reported that the     eCryptfs filesystem could be used together with the proc     filesystem to cause a kernel stack overflow. If the     ecryptfs-utils package is installed, local users could     exploit this, via the mount.ecryptfs_private program,     for denial of service (crash) or possibly for privilege     escalation.

  - CVE-2016-2117     Justin Yackoski of Cryptonite discovered that the     Atheros L2 ethernet driver incorrectly enables     scatter/gather I/O. A remote attacker could take     advantage of this flaw to obtain potentially sensitive     information from kernel memory.

  - CVE-2016-2143     Marcin Koscielnicki discovered that the fork     implementation in the Linux kernel on s390 platforms     mishandles the case of four page-table levels, which     allows local users to cause a denial of service (system     crash).

  - CVE-2016-3070     Jan Stancek of Red Hat discovered a local denial of     service vulnerability in AIO handling.

  - CVE-2016-3134     The Google Project Zero team found that the netfilter     subsystem does not sufficiently validate filter table     entries. A user with the CAP_NET_ADMIN capability could     use this for denial of service (crash) or possibly for     privilege escalation. Debian disables unprivileged user     namespaces by default, if locally enabled with the     kernel.unprivileged_userns_clone sysctl, this allows     privilege escalation.

  - CVE-2016-3156     Solar Designer discovered that the IPv4 implementation     in the Linux kernel did not perform the destruction of     inet device objects properly. An attacker in a guest OS     could use this to cause a denial of service (networking     outage) in the host OS.

  - CVE-2016-3157 / XSA-171     Andy Lutomirski discovered that the x86_64 (amd64) task     switching implementation did not correctly update the     I/O permission level when running as a Xen paravirtual     (PV) guest. In some configurations this would allow     local users to cause a denial of service (crash) or to     escalate their privileges within the guest.

  - CVE-2016-3672     Hector Marco and Ismael Ripoll noted that it was     possible to disable Address Space Layout Randomisation     (ASLR) for x86_32 (i386) programs by removing the stack     resource limit. This made it easier for local users to     exploit security flaws in programs that have the setuid     or setgid flag set.

  - CVE-2016-3951     It was discovered that the cdc_ncm driver would free     memory prematurely if certain errors occurred during its     initialisation. This allowed a physically present user     with a specially designed USB device to cause a denial     of service (crash) or possibly to escalate their     privileges.

  - CVE-2016-3955     Ignat Korchagin reported that the usbip subsystem did     not check the length of data received for a USB buffer.
    This allowed denial of service (crash) or privilege     escalation on a system configured as a usbip client, by     the usbip server or by an attacker able to impersonate     it over the network. A system configured as a usbip     server might be similarly vulnerable to physically     present users.

  - CVE-2016-3961 / XSA-174     Vitaly Kuznetsov of Red Hat discovered that Linux     allowed the use of hugetlbfs on x86 (i386 and amd64)     systems even when running as a Xen paravirtualised (PV)     guest, although Xen does not support huge pages. This     allowed users with access to /dev/hugepages to cause a     denial of service (crash) in the guest.

  - CVE-2016-4470     David Howells of Red Hat discovered that a local user     can trigger a flaw in the Linux kernel's handling of key     lookups in the keychain subsystem, leading to a denial     of service (crash) or possibly to privilege escalation.

  - CVE-2016-4482, CVE-2016-4485, CVE-2016-4486,     CVE-2016-4569, CVE-2016-4578, CVE-2016-4580,     CVE-2016-5243, CVE-2016-5244

    Kangjie Lu reported that the USB devio, llc, rtnetlink,     ALSA timer, x25, tipc, and rds facilities leaked     information from the kernel stack.

  - CVE-2016-4565     Jann Horn of Google Project Zero reported that various     components in the InfiniBand stack implemented unusual     semantics for the write() operation. On a system with     InfiniBand drivers loaded, local users could use this     for denial of service or privilege escalation.

  - CVE-2016-4581     Tycho Andersen discovered that in some situations the     Linux kernel did not handle propagated mounts correctly.
    A local user can take advantage of this flaw to cause a     denial of service (system crash).

  - CVE-2016-4805     Baozeng Ding discovered a use-after-free in the generic     PPP layer in the Linux kernel. A local user can take     advantage of this flaw to cause a denial of service     (system crash), or potentially escalate their     privileges.

  - CVE-2016-4913     Al Viro found that the ISO9660 filesystem implementation     did not correctly count the length of certain invalid     name entries. Reading a directory containing such name     entries would leak information from kernel memory. Users     permitted to mount disks or disk images could use this     to obtain sensitive information.

  - CVE-2016-4997 / CVE-2016-4998     Jesse Hertz and Tim Newsham discovered that missing     input sanitising in Netfilter socket handling may result     in denial of service. Debian disables unprivileged user     namespaces by default, if locally enabled with the     kernel.unprivileged_userns_clone sysctl, this also     allows privilege escalation.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - The acm_probe function in drivers/usb/class/cdc-acm.c in the Linux kernel before 4.5.1 allows physically     proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a USB     device without both a control and a data endpoint descriptor. (CVE-2016-3138)

Note that Nessus relies on the presence of the package as reported by the vendor.

The SUSE Linux Enterprise 11 SP3 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed :

  - CVE-2013-7446: Use-after-free vulnerability in     net/unix/af_unix.c in the Linux kernel allowed local     users to bypass intended AF_UNIX socket permissions or     cause a denial of service (panic) via crafted epoll_ctl     calls (bnc#955654).

  - CVE-2015-7509: fs/ext4/namei.c in the Linux kernel     allowed physically proximate attackers to cause a denial     of service (system crash) via a crafted no-journal     filesystem, a related issue to CVE-2013-2015     (bnc#956707).

  - CVE-2015-7515: An out of bounds memory access in the     aiptek USB driver could be used by physical local     attackers to crash the kernel (bnc#956708).

  - CVE-2015-7550: The keyctl_read_key function in     security/keys/keyctl.c in the Linux kernel did not     properly use a semaphore, which allowed local users to     cause a denial of service (NULL pointer dereference and     system crash) or possibly have unspecified other impact     via a crafted application that leverages a race     condition between keyctl_revoke and keyctl_read calls     (bnc#958951).

  - CVE-2015-7566: A malicious USB device could cause kernel     crashes in the visor device driver (bnc#961512).

  - CVE-2015-7799: The slhc_init function in     drivers/net/slip/slhc.c in the Linux kernel did not     ensure that certain slot numbers are valid, which     allowed local users to cause a denial of service (NULL     pointer dereference and system crash) via a crafted     PPPIOCSMAXCID ioctl call (bnc#949936).

  - CVE-2015-8215: net/ipv6/addrconf.c in the IPv6 stack in     the Linux kernel did not validate attempted changes to     the MTU value, which allowed context-dependent attackers     to cause a denial of service (packet loss) via a value     that is (1) smaller than the minimum compliant value or     (2) larger than the MTU of an interface, as demonstrated     by a Router Advertisement (RA) message that is not     validated by a daemon, a different vulnerability than     CVE-2015-0272. NOTE: the scope of CVE-2015-0272 is     limited to the NetworkManager product (bnc#955354).

  - CVE-2015-8539: The KEYS subsystem in the Linux kernel     allowed local users to gain privileges or cause a denial     of service (BUG) via crafted keyctl commands that     negatively instantiate a key, related to     security/keys/encrypted-keys/encrypted.c,     security/keys/trusted.c, and     security/keys/user_defined.c (bnc#958463).

  - CVE-2015-8543: The networking implementation in the     Linux kernel did not validate protocol identifiers for     certain protocol families, which allowed local users to     cause a denial of service (NULL function pointer     dereference and system crash) or possibly gain     privileges by leveraging CLONE_NEWUSER support to     execute a crafted SOCK_RAW application (bnc#958886).

  - CVE-2015-8550: Optimizations introduced by the compiler     could have lead to double fetch vulnerabilities,     potentially possibly leading to arbitrary code execution     in backend (bsc#957988). (bsc#957988 XSA-155).

  - CVE-2015-8551: The PCI backend driver in Xen, when     running on an x86 system and using Linux as the driver     domain, allowed local guest administrators to hit BUG     conditions and cause a denial of service (NULL pointer     dereference and host OS crash) by leveraging a system     with access to a passed-through MSI or MSI-X capable     physical PCI device and a crafted sequence of     XEN_PCI_OP_* operations, aka 'Linux pciback missing     sanity checks (bnc#957990).

  - CVE-2015-8552: The PCI backend driver in Xen, when     running on an x86 system and using Linux as the driver     domain, allowed local guest administrators to generate a     continuous stream of WARN messages and cause a denial of     service (disk consumption) by leveraging a system with     access to a passed-through MSI or MSI-X capable physical     PCI device and XEN_PCI_OP_enable_msi operations, aka     'Linux pciback missing sanity checks (bnc#957990).

  - CVE-2015-8569: The (1) pptp_bind and (2) pptp_connect     functions in drivers/net/ppp/pptp.c in the Linux kernel     do not verify an address length, which allowed local     users to obtain sensitive information from kernel memory     and bypass the KASLR protection mechanism via a crafted     application (bnc#959190).

  - CVE-2015-8575: The sco_sock_bind function in     net/bluetooth/sco.c in the Linux kernel did not verify     an address length, which allowed local users to obtain     sensitive information from kernel memory and bypass the     KASLR protection mechanism via a crafted application     (bnc#959399).

  - CVE-2015-8767: net/sctp/sm_sideeffect.c in the Linux     kernel did not properly manage the relationship between     a lock and a socket, which allowed local users to cause     a denial of service (deadlock) via a crafted sctp_accept     call (bnc#961509).

  - CVE-2015-8785: The fuse_fill_write_pages function in     fs/fuse/file.c in the Linux kernel allowed local users     to cause a denial of service (infinite loop) via a     writev system call that triggers a zero length for the     first segment of an iov (bnc#963765).

  - CVE-2015-8812: A flaw was found in the CXGB3 kernel     driver when the network was considered congested. The     kernel would incorrectly misinterpret the congestion as     an error condition and incorrectly free/clean up the     skb. When the device would then send the skb's queued,     these structures would be referenced and may panic the     system or allow an attacker to escalate privileges in a     use-after-free scenario.(bsc#966437).

  - CVE-2015-8816: A malicious USB device could cause kernel     crashes in the in hub_activate() function (bnc#968010).

  - CVE-2016-0723: Race condition in the tty_ioctl function     in drivers/tty/tty_io.c in the Linux kernel allowed     local users to obtain sensitive information from kernel     memory or cause a denial of service (use-after-free and     system crash) by making a TIOCGETD ioctl call during     processing of a TIOCSETD ioctl call (bnc#961500).

  - CVE-2016-2069: A race in invalidating paging structures     that were not in use locally could have lead to     disclosoure of information or arbitrary code exectution     (bnc#963767).

  - CVE-2016-2143: On zSeries a fork of a large process     could have caused memory corruption due to incorrect     page table handling. (bnc#970504, LTC#138810).

  - CVE-2016-2184: A malicious USB device could cause kernel     crashes in the alsa usb-audio device driver     (bsc#971125).

  - CVE-2016-2185: A malicious USB device could cause kernel     crashes in the usb_driver_claim_interface function     (bnc#971124).

  - CVE-2016-2186: A malicious USB device could cause kernel     crashes in the powermate device driver (bnc#970958).

  - CVE-2016-2384: A double free on the ALSA umidi object     was fixed. (bsc#966693).

  - CVE-2016-2543: A missing NULL check at remove_events     ioctl in the ALSA seq driver was fixed. (bsc#967972).

  - CVE-2016-2544: Fix race at timer setup and close in the     ALSA seq driver was fixed. (bsc#967973).

  - CVE-2016-2545: A double unlink of active_list in the     ALSA timer driver was fixed. (bsc#967974).

  - CVE-2016-2546: A race among ALSA timer ioctls was fixed     (bsc#967975).

  - CVE-2016-2547,CVE-2016-2548: The ALSA slave timer list     handling was hardened against hangs and races.
    (CVE-2016-2547,CVE-2016-2548,bsc#968011,bsc#968012).

  - CVE-2016-2549: A stall in ALSA hrtimer handling was     fixed (bsc#968013).

  - CVE-2016-2782: A malicious USB device could cause kernel     crashes in the visor device driver (bnc#968670).

  - CVE-2016-3137: A malicious USB device could cause kernel     crashes in the cypress_m8 device driver (bnc#970970).

  - CVE-2016-3139: A malicious USB device could cause kernel     crashes in the wacom device driver (bnc#970909).

  - CVE-2016-3140: A malicious USB device could cause kernel     crashes in the digi_acceleport device driver     (bnc#970892).

  - CVE-2016-3156: A quadratic algorithm could lead to long     kernel ipv4 hangs when removing a device with a large     number of addresses. (bsc#971360).

  - CVE-2016-3955: A remote buffer overflow in the usbip     driver could be used by authenticated attackers to crash     the kernel. (bsc#975945)

  - CVE-2016-2847: A local user could exhaust kernel memory     by pushing lots of data into pipes. (bsc#970948).

  - CVE-2016-2188: A malicious USB device could cause kernel     crashes in the iowarrior device driver (bnc#970956).

  - CVE-2016-3138: A malicious USB device could cause kernel     crashes in the cdc-acm device driver (bnc#970911).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
91093	Ubuntu 14.04 LTS : Linux kernel (Wily HWE) vulnerabilities (USN-2971-2)	Nessus	Ubuntu Local Security Checks	5/12/2016	8/27/2024	high
91085	Ubuntu 16.04 LTS : Linux kernel (Qualcomm Snapdragon) vulnerability (USN-2965-4)	Nessus	Ubuntu Local Security Checks	5/12/2016	8/27/2024	critical
91559	Ubuntu 12.04 LTS : linux vulnerabilities (USN-2996-1)	Nessus	Ubuntu Local Security Checks	6/10/2016	1/12/2023	critical
93104	openSUSE Security Update : the Linux Kernel (openSUSE-2016-1015)	Nessus	SuSE Local Security Checks	8/25/2016	1/28/2026	critical
284885	Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002558)	Nessus	Unity Linux Local Security Checks	1/15/2026	1/15/2026	medium
124816	EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1492)	Nessus	Huawei Local Security Checks	5/13/2019	5/23/2024	critical
91092	Ubuntu 15.10 : linux vulnerabilities (USN-2971-1)	Nessus	Ubuntu Local Security Checks	5/12/2016	1/12/2023	high
91687	Debian DLA-516-1 : linux security update	Nessus	Debian Local Security Checks	6/20/2016	1/11/2021	critical
91886	Debian DSA-3607-1 : linux - security update	Nessus	Debian Local Security Checks	6/29/2016	1/11/2021	critical
219545	Linux Distros Unpatched Vulnerability : CVE-2016-3138	Nessus	Misc.	3/4/2025	7/17/2026	medium
90884	SUSE SLES11 Security Update : kernel (SUSE-SU-2016:1203-1)	Nessus	SuSE Local Security Checks	5/4/2016	1/19/2021	critical

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