The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3378-1 advisory.

  - The Linux Kernel imposes a size restriction on the arguments and environmental strings passed through     RLIMIT_STACK/RLIM_INFINITY (1/4 of the size), but does not take the argument and environment pointers into     account, which allows attackers to bypass this limitation. This affects Linux Kernel versions 4.11.5 and     earlier. It appears that this feature was introduced in the Linux Kernel version 2.6.23.
    (CVE-2017-1000365)

  - Memory leak in the virtio_gpu_object_create function in drivers/gpu/drm/virtio/virtgpu_object.c in the     Linux kernel through 4.11.8 allows attackers to cause a denial of service (memory consumption) by     triggering object-initialization failures. (CVE-2017-10810)

  - In the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly     assumes the size of a field. This could lead to the size-remaining variable wrapping and the data pointer     going over the end of the buffer. This could possibly lead to memory corruption and possible privilege     escalation. (CVE-2017-7482)

  - Race condition in the fsnotify implementation in the Linux kernel through 4.12.4 allows local users to     gain privileges or cause a denial of service (memory corruption) via a crafted application that leverages     simultaneous execution of the inotify_handle_event and vfs_rename functions. (CVE-2017-7533)

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 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3392-2 advisory.

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

This update for the Linux Kernel 3.12.61-52_80 fixes several issues.
The following security bugs were fixed :

  - CVE-2017-7533: A bug in inotify code allowed local users     to escalate privilege (bsc#1050751).

  - CVE-2017-7645: The NFSv2/NFSv3 server in the nfsd     subsystem in the Linux kernel allowed remote attackers     to cause a denial of service (system crash) via a long     RPC reply, related to net/sunrpc/svc.c,     fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c (bsc#1046191).

  - CVE-2017-9242: The __ip6_append_data function in     net/ipv6/ip6_output.c in the Linux kernel is too late in     checking whether an overwrite of an skb data structure     may occur, which allowed local users to cause a denial     of service (system crash) via crafted system calls     (bsc#1042892).

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.

This update for the Linux Kernel 3.12.61-52_72 fixes several issues.
The following security bugs were fixed :

  - CVE-2017-7533: A bug in inotify code allowed local users     to escalate privilege (bsc#1050751).

  - CVE-2017-7645: The NFSv2/NFSv3 server in the nfsd     subsystem in the Linux kernel allowed remote attackers     to cause a denial of service (system crash) via a long     RPC reply, related to net/sunrpc/svc.c,     fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c (bsc#1046191).

  - A SUSE Linux Enterprise specific regression in tearing     down network namespaces was fixed (bsc#1044878)

  - CVE-2017-9242: The __ip6_append_data function in     net/ipv6/ip6_output.c in the Linux kernel is too late in     checking whether an overwrite of an skb data structure     may occur, which allowed local users to cause a denial     of service (system crash) via crafted system calls     (bsc#1042892).

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.

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

  - CVE-2014-9940     A use-after-free flaw in the voltage and current     regulator driver could allow a local user to cause a     denial of service or potentially escalate privileges.

  - CVE-2017-7346     Li Qiang discovered that the DRM driver for VMware     virtual GPUs does not properly check user-controlled     values in the vmw_surface_define_ioctl() functions for     upper limits. A local user can take advantage of this     flaw to cause a denial of service.

  - CVE-2017-7482     Shi Lei discovered that RxRPC Kerberos 5 ticket handling     code does not properly verify metadata, leading to     information disclosure, denial of service or potentially     execution of arbitrary code.

  - CVE-2017-7533     Fan Wu and Shixiong Zhao discovered a race condition     between inotify events and VFS rename operations     allowing an unprivileged local attacker to cause a     denial of service or escalate privileges.

  - CVE-2017-7541     A buffer overflow flaw in the Broadcom IEEE802.11n PCIe     SoftMAC WLAN driver could allow a local user to cause     kernel memory corruption, leading to a denial of service     or potentially privilege escalation.

  - CVE-2017-7542     An integer overflow vulnerability in the     ip6_find_1stfragopt() function was found allowing a     local attacker with privileges to open raw sockets to     cause a denial of service.

  - CVE-2017-7889     Tommi Rantala and Brad Spengler reported that the mm     subsystem does not properly enforce the     CONFIG_STRICT_DEVMEM protection mechanism, allowing a     local attacker with access to /dev/mem to obtain     sensitive information or potentially execute arbitrary     code.

  - CVE-2017-9605     Murray McAllister discovered that the DRM driver for     VMware virtual GPUs does not properly initialize memory,     potentially allowing a local attacker to obtain     sensitive information from uninitialized kernel memory     via a crafted ioctl call.

  - CVE-2017-10911     / XSA-216

  Anthony Perard of Citrix discovered an information leak flaw in Xen   blkif response handling, allowing a malicious unprivileged guest to   obtain sensitive information from the host or other guests.

  - CVE-2017-11176     It was discovered that the mq_notify() function does not     set the sock pointer to NULL upon entry into the retry     logic. An attacker can take advantage of this flaw     during a userspace close of a Netlink socket to cause a     denial of service or potentially cause other impact.

  - CVE-2017-1000363     Roee Hay reported that the lp driver does not properly     bounds-check passed arguments, allowing a local attacker     with write access to the kernel command line arguments     to execute arbitrary code.

  - CVE-2017-1000365     It was discovered that argument and environment pointers     are not taken properly into account to the imposed size     restrictions on arguments and environmental strings     passed through RLIMIT_STACK/RLIMIT_INFINITY. A local     attacker can take advantage of this flaw in conjunction     with other flaws to execute arbitrary code.

This update for the Linux Kernel 3.12.62-60_62 fixes several issues.
The following security bugs were fixed :

  - CVE-2017-7533: A bug in inotify code allowed local users     to escalate privilege (bsc#1050751).

  - CVE-2017-7645: The NFSv2/NFSv3 server in the nfsd     subsystem in the Linux kernel allowed remote attackers     to cause a denial of service (system crash) via a long     RPC reply, related to net/sunrpc/svc.c,     fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c (bsc#1046191).

  - CVE-2017-2636: Race condition in drivers/tty/n_hdlc.c in     the Linux kernel allowed local users to gain privileges     or cause a denial of service (double free) by setting     the HDLC line discipline (bsc#1027575).

  - CVE-2017-9242: The __ip6_append_data function in     net/ipv6/ip6_output.c in the Linux kernel is too late in     checking whether an overwrite of an skb data structure     may occur, which allowed local users to cause a denial     of service (system crash) via crafted system calls     (bsc#1042892).

  - CVE-2017-8890: The inet_csk_clone_lock function in     net/ipv4/inet_connection_sock.c in the Linux kernel     allowed attackers to cause a denial of service (double     free) or possibly have unspecified other impact by     leveraging use of the accept system call (bsc#1038564).

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.

This update for the Linux Kernel 3.12.67-60_64_18 fixes several issues. The following security bugs were fixed :

  - CVE-2017-7533: A bug in inotify code allowed local users     to escalate privilege (bsc#1050751).

  - CVE-2017-7645: The NFSv2/NFSv3 server in the nfsd     subsystem in the Linux kernel allowed remote attackers     to cause a denial of service (system crash) via a long     RPC reply, related to net/sunrpc/svc.c,     fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c (bsc#1046191).

  - CVE-2017-2636: Race condition in drivers/tty/n_hdlc.c in     the Linux kernel allowed local users to gain privileges     or cause a denial of service (double free) by setting     the HDLC line discipline (bsc#1027575).

  - CVE-2017-9242: The __ip6_append_data function in     net/ipv6/ip6_output.c in the Linux kernel is too late in     checking whether an overwrite of an skb data structure     may occur, which allowed local users to cause a denial     of service (system crash) via crafted system calls     (bsc#1042892).

  - CVE-2017-8890: The inet_csk_clone_lock function in     net/ipv4/inet_connection_sock.c in the Linux kernel     allowed attackers to cause a denial of service (double     free) or possibly have unspecified other impact by     leveraging use of the accept system call (bsc#1038564).

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.

This update for the Linux Kernel 3.12.74-60_64_48 fixes several issues. The following security bugs were fixed :

  - CVE-2017-7533: A bug in inotify code allowed local users     to escalate privilege (bsc#1050751).

  - CVE-2017-9242: The __ip6_append_data function in     net/ipv6/ip6_output.c in the Linux kernel is too late in     checking whether an overwrite of an skb data structure     may occur, which allowed local users to cause a denial     of service (system crash) via crafted system calls     (bsc#1042892).

  - CVE-2017-8890: The inet_csk_clone_lock function in     net/ipv4/inet_connection_sock.c in the Linux kernel     allowed attackers to cause a denial of service (double     free) or possibly have unspecified other impact by     leveraging use of the accept system call (bsc#1038564).

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.

This update for the Linux Kernel 3.12.69-60_64_32 fixes several issues. The following security bugs were fixed :

  - CVE-2017-7533: A bug in inotify code allowed local users     to escalate privilege (bsc#1050751).

  - CVE-2017-7645: The NFSv2/NFSv3 server in the nfsd     subsystem in the Linux kernel allowed remote attackers     to cause a denial of service (system crash) via a long     RPC reply, related to net/sunrpc/svc.c,     fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c (bsc#1046191).

  - CVE-2017-2636: Race condition in drivers/tty/n_hdlc.c in     the Linux kernel allowed local users to gain privileges     or cause a denial of service (double free) by setting     the HDLC line discipline (bsc#1027575).

  - CVE-2017-9242: The __ip6_append_data function in     net/ipv6/ip6_output.c in the Linux kernel is too late in     checking whether an overwrite of an skb data structure     may occur, which allowed local users to cause a denial     of service (system crash) via crafted system calls     (bsc#1042892).

  - CVE-2017-8890: The inet_csk_clone_lock function in     net/ipv4/inet_connection_sock.c in the Linux kernel     allowed attackers to cause a denial of service (double     free) or possibly have unspecified other impact by     leveraging use of the accept system call (bsc#1038564).

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.

The remote Oracle Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2017-3659 advisory.

  - A missing authorization check in the fscrypt_process_policy function in fs/crypto/policy.c in the ext4 and     f2fs filesystem encryption support in the Linux kernel before 4.7.4 allows a user to assign an encryption     policy to a directory owned by a different user, potentially creating a denial of service.
    (CVE-2016-10318)

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

ID	Name	Product	Family	Published	Updated	Severity
102197	Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3378-1)	Nessus	Ubuntu Local Security Checks	8/4/2017	1/9/2024	high
102525	Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) regression (USN-3392-2)	Nessus	Ubuntu Local Security Checks	8/16/2017	1/9/2024	high
102316	SUSE SLES12 Security Update : kernel (SUSE-SU-2017:2098-1)	Nessus	SuSE Local Security Checks	8/9/2017	1/6/2021	high
102318	SUSE SLES12 Security Update : kernel (SUSE-SU-2017:2100-1)	Nessus	SuSE Local Security Checks	8/9/2017	1/6/2021	high
102550	Debian DSA-3945-1 : linux - security update (Stack Clash)	Nessus	Debian Local Security Checks	8/18/2017	1/4/2021	high
102251	SUSE SLES12 Security Update : kernel (SUSE-SU-2017:2060-1)	Nessus	SuSE Local Security Checks	8/8/2017	1/6/2021	high
102252	SUSE SLES12 Security Update : kernel (SUSE-SU-2017:2061-1)	Nessus	SuSE Local Security Checks	8/8/2017	1/6/2021	high
102308	SUSE SLES12 Security Update : kernel (SUSE-SU-2017:2089-1)	Nessus	SuSE Local Security Checks	8/9/2017	1/6/2021	high
102311	SUSE SLES12 Security Update : kernel (SUSE-SU-2017:2092-1)	Nessus	SuSE Local Security Checks	8/9/2017	1/6/2021	high
105247	Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3659)	Nessus	Oracle Linux Local Security Checks	12/14/2017	9/8/2021	high

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