SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1289-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

High Nessus Plugin ID 125283

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The SUSE Linux Enterprise 12 SP1 LTSS kernel was updated to receive various security and bugfixes.

Four new speculative execution information leak issues have been identified in Intel CPUs. (bsc#1111331)

CVE-2018-12126: Microarchitectural Store Buffer Data Sampling (MSBDS)

CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling (MFBDS)

CVE-2018-12130: Microarchitectural Load Port Data Samling (MLPDS)

CVE-2019-11091: Microarchitectural Data Sampling Uncacheable Memory (MDSUM)

This kernel update contains software mitigations for these issues, which also utilize CPU microcode updates shipped in parallel.

For more information on this set of information leaks, check out https://www.suse.com/support/kb/doc/?id=7023736

The following security bugs were fixed: CVE-2016-10741:
fs/xfs/xfs_aops.c allowed local users to cause a denial of service (system crash) because there is a race condition between direct and memory-mapped I/O (associated with a hole) that is handled with BUG_ON instead of an I/O failure (bnc#1114920 bnc#1124010).

CVE-2017-1000407: By flooding the diagnostic port 0x80 an exception can be triggered leading to a kernel panic (bnc#1071021).

CVE-2017-16533: The usbhid_parse function in drivers/hid/usbhid/hid-core.c allowed local users to cause a denial of service (out-of-bounds read and system crash) or possibly have unspecified other impact via a crafted USB device (bnc#1066674).

CVE-2017-7273: The cp_report_fixup function in drivers/hid/hid-cypress.c allowed physically proximate attackers to cause a denial of service (integer underflow) or possibly have unspecified other impact via a crafted HID report (bnc#1031240).

CVE-2017-7472: The KEYS subsystem allowed local users to cause a denial of service (memory consumption) via a series of KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls (bnc#1034862).

CVE-2018-14633: A security flaw was found in the chap_server_compute_md5() function in the ISCSI target code in the Linux kernel in a way an authentication request from an ISCSI initiator is processed. An unauthenticated remote attacker can cause a stack buffer overflow and smash up to 17 bytes of the stack. The attack requires the iSCSI target to be enabled on the victim host.
Depending on how the target's code was built (i.e. depending on a compiler, compile flags and hardware architecture) an attack may lead to a system crash and thus to a denial-of-service or possibly to a non-authorized access to data exported by an iSCSI target.
(bnc#1107829).

CVE-2018-15572: The spectre_v2_select_mitigation function in arch/x86/kernel/cpu/bugs.c did not always fill RSB upon a context switch, which made it easier for attackers to conduct userspace-userspace spectreRSB attacks (bnc#1102517 bnc#1105296).

CVE-2018-16884: NFS41+ shares mounted in different network namespaces at the same time can make bc_svc_process() use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out (bnc#1119946).

CVE-2018-18281: The mremap() syscall performed TLB flushes after dropping pagetable locks. If a syscall such as ftruncate() removes entries from the pagetables of a task that is in the middle of mremap(), a stale TLB entry can remain for a short time that permits access to a physical page after it has been released back to the page allocator and reused. (bnc#1113769).

CVE-2018-18386: drivers/tty/n_tty.c allowed local attackers (who are able to access pseudo terminals) to hang/block further usage of any pseudo terminal devices due to an EXTPROC versus ICANON confusion in TIOCINQ (bnc#1094825).

CVE-2018-18690: A local attacker able to set attributes on an xfs filesystem could make this filesystem non-operational until the next mount by triggering an unchecked error condition during an xfs attribute change, because xfs_attr_shortform_addname in fs/xfs/libxfs/xfs_attr.c mishandled ATTR_REPLACE operations with conversion of an attr from short to long form (bnc#1105025).

CVE-2018-18710: An information leak in cdrom_ioctl_select_disc in drivers/cdrom/cdrom.c could be used by local attackers to read kernel memory because a cast from unsigned long to int interferes with bounds checking. This is similar to CVE-2018-10940 and CVE-2018-16658 (bnc#1113751).

CVE-2018-19407: The vcpu_scan_ioapic function in arch/x86/kvm/x86.c allowed local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized (bnc#1116841).

CVE-2018-19824: A local user could exploit a use-after-free in the ALSA driver by supplying a malicious USB Sound device (with zero interfaces) that is mishandled in usb_audio_probe in sound/usb/card.c (bnc#1118152).

CVE-2018-19985: The function hso_get_config_data in drivers/net/usb/hso.c read if_num from the USB device (as a u8) and uses it to index a small array, resulting in an object out-of-bounds (OOB) read that potentially allowed arbitrary read in the kernel address space (bnc#1120743).

CVE-2018-20169: The USB subsystem mishandled size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c (bnc#1119714).

CVE-2018-5391: The Linux kernel was vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation have been discovered and fixed over the years. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size (bnc#1103097).

CVE-2018-9516: In hid_debug_events_read of drivers/hid/hid-debug.c, there is a possible out of bounds write due to a missing bounds check.
This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
(bnc#1108498).

CVE-2018-9568: In sk_clone_lock of sock.c, there is a possible memory corruption due to type confusion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. (bnc#1118319).

CVE-2019-11486: The Siemens R3964 line discipline driver in drivers/tty/n_r3964.c had multiple race conditions (bnc#1133188). The line discipline was disabled.

CVE-2019-3459: A heap address information leak while using L2CAP_GET_CONF_OPT was discovered (bnc#1120758).

CVE-2019-3460: A heap data infoleak in multiple locations including L2CAP_PARSE_CONF_RSP was found (bnc#1120758).

CVE-2019-3882: A flaw was found vfio interface implementation that permitted violation of the user's locked memory limit. If a device is bound to a vfio driver, such as vfio-pci, and the local attacker is administratively granted ownership of the device, it may cause a system memory exhaustion and thus a denial of service (DoS).
(bnc#1131416 bnc#1131427).

CVE-2019-6974: kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandled reference counting because of a race condition, leading to a use-after-free (bnc#1124728).

CVE-2019-7221: The KVM implementation had a Use-after-Free (bnc#1124732).

CVE-2019-7222: The KVM implementation had an Information Leak (bnc#1124735).

CVE-2019-9213: expand_downwards in mm/mmap.c lacked a check for the mmap minimum address, which made it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task (bnc#1128166).

CVE-2019-9503: Multiple brcmfmac frame validation bypasses have been fixed (bnc#1132828).

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.

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server for SAP 12-SP1:zypper in -t patch SUSE-SLE-SAP-12-SP1-2019-1289=1

SUSE Linux Enterprise Server 12-SP1-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP1-2019-1289=1

SUSE Linux Enterprise Module for Public Cloud 12:zypper in -t patch SUSE-SLE-Module-Public-Cloud-12-2019-1289=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1031240

https://bugzilla.suse.com/show_bug.cgi?id=1034862

https://bugzilla.suse.com/show_bug.cgi?id=1066674

https://bugzilla.suse.com/show_bug.cgi?id=1071021

https://bugzilla.suse.com/show_bug.cgi?id=1086535

https://bugzilla.suse.com/show_bug.cgi?id=1091171

https://bugzilla.suse.com/show_bug.cgi?id=1094825

https://bugzilla.suse.com/show_bug.cgi?id=1100001

https://bugzilla.suse.com/show_bug.cgi?id=1102517

https://bugzilla.suse.com/show_bug.cgi?id=1103097

https://bugzilla.suse.com/show_bug.cgi?id=1104475

https://bugzilla.suse.com/show_bug.cgi?id=1105025

https://bugzilla.suse.com/show_bug.cgi?id=1105296

https://bugzilla.suse.com/show_bug.cgi?id=1106913

https://bugzilla.suse.com/show_bug.cgi?id=1107829

https://bugzilla.suse.com/show_bug.cgi?id=1108498

https://bugzilla.suse.com/show_bug.cgi?id=1110768

https://bugzilla.suse.com/show_bug.cgi?id=1111331

https://bugzilla.suse.com/show_bug.cgi?id=1111516

https://bugzilla.suse.com/show_bug.cgi?id=1113751

https://bugzilla.suse.com/show_bug.cgi?id=1113769

https://bugzilla.suse.com/show_bug.cgi?id=1114648

https://bugzilla.suse.com/show_bug.cgi?id=1114920

https://bugzilla.suse.com/show_bug.cgi?id=1115007

https://bugzilla.suse.com/show_bug.cgi?id=1115038

https://bugzilla.suse.com/show_bug.cgi?id=1116345

https://bugzilla.suse.com/show_bug.cgi?id=1116841

https://bugzilla.suse.com/show_bug.cgi?id=1118152

https://bugzilla.suse.com/show_bug.cgi?id=1118319

https://bugzilla.suse.com/show_bug.cgi?id=1119714

https://bugzilla.suse.com/show_bug.cgi?id=1119946

https://bugzilla.suse.com/show_bug.cgi?id=1120743

https://bugzilla.suse.com/show_bug.cgi?id=1120758

https://bugzilla.suse.com/show_bug.cgi?id=1121621

https://bugzilla.suse.com/show_bug.cgi?id=1122015

https://bugzilla.suse.com/show_bug.cgi?id=1123161

https://bugzilla.suse.com/show_bug.cgi?id=1124010

https://bugzilla.suse.com/show_bug.cgi?id=1124728

https://bugzilla.suse.com/show_bug.cgi?id=1124732

https://bugzilla.suse.com/show_bug.cgi?id=1124735

https://bugzilla.suse.com/show_bug.cgi?id=1126890

https://bugzilla.suse.com/show_bug.cgi?id=1128166

https://bugzilla.suse.com/show_bug.cgi?id=1131416

https://bugzilla.suse.com/show_bug.cgi?id=1131427

https://bugzilla.suse.com/show_bug.cgi?id=1132828

https://bugzilla.suse.com/show_bug.cgi?id=1133188

https://www.suse.com/security/cve/CVE-2016-10741/

https://www.suse.com/security/cve/CVE-2017-1000407/

https://www.suse.com/security/cve/CVE-2017-16533/

https://www.suse.com/security/cve/CVE-2017-7273/

https://www.suse.com/security/cve/CVE-2017-7472/

https://www.suse.com/security/cve/CVE-2018-12126/

https://www.suse.com/security/cve/CVE-2018-12127/

https://www.suse.com/security/cve/CVE-2018-12130/

https://www.suse.com/security/cve/CVE-2018-14633/

https://www.suse.com/security/cve/CVE-2018-15572/

https://www.suse.com/security/cve/CVE-2018-16884/

https://www.suse.com/security/cve/CVE-2018-18281/

https://www.suse.com/security/cve/CVE-2018-18386/

https://www.suse.com/security/cve/CVE-2018-18690/

https://www.suse.com/security/cve/CVE-2018-18710/

https://www.suse.com/security/cve/CVE-2018-19407/

https://www.suse.com/security/cve/CVE-2018-19824/

https://www.suse.com/security/cve/CVE-2018-19985/

https://www.suse.com/security/cve/CVE-2018-20169/

https://www.suse.com/security/cve/CVE-2018-5391/

https://www.suse.com/security/cve/CVE-2018-9516/

https://www.suse.com/security/cve/CVE-2018-9568/

https://www.suse.com/security/cve/CVE-2019-11091/

https://www.suse.com/security/cve/CVE-2019-11486/

https://www.suse.com/security/cve/CVE-2019-3459/

https://www.suse.com/security/cve/CVE-2019-3460/

https://www.suse.com/security/cve/CVE-2019-3882/

https://www.suse.com/security/cve/CVE-2019-6974/

https://www.suse.com/security/cve/CVE-2019-7221/

https://www.suse.com/security/cve/CVE-2019-7222/

https://www.suse.com/security/cve/CVE-2019-8564/

https://www.suse.com/security/cve/CVE-2019-9213/

https://www.suse.com/security/cve/CVE-2019-9503/

https://www.suse.com/support/kb/doc/?id=7023736

http://www.nessus.org/u?2cefbff4

Plugin Details

Severity: High

ID: 125283

File Name: suse_SU-2019-1289-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2019/05/20

Updated: 2019/05/29

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 8.3

Temporal Score: 6.5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:C

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 8.1

Temporal Score: 7.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-default, p-cpe:/a:novell:suse_linux:kernel-default-base, p-cpe:/a:novell:suse_linux:kernel-default-base-debuginfo, p-cpe:/a:novell:suse_linux:kernel-default-debuginfo, p-cpe:/a:novell:suse_linux:kernel-default-debugsource, p-cpe:/a:novell:suse_linux:kernel-default-devel, p-cpe:/a:novell:suse_linux:kernel-default-man, p-cpe:/a:novell:suse_linux:kernel-syms, p-cpe:/a:novell:suse_linux:kernel-xen, p-cpe:/a:novell:suse_linux:kernel-xen-base, p-cpe:/a:novell:suse_linux:kernel-xen-base-debuginfo, p-cpe:/a:novell:suse_linux:kernel-xen-debuginfo, p-cpe:/a:novell:suse_linux:kernel-xen-debugsource, p-cpe:/a:novell:suse_linux:kernel-xen-devel, p-cpe:/a:novell:suse_linux:lttng-modules, p-cpe:/a:novell:suse_linux:lttng-modules-debugsource, p-cpe:/a:novell:suse_linux:lttng-modules-kmp-default, p-cpe:/a:novell:suse_linux:lttng-modules-kmp-default-debuginfo, cpe:/o:novell:suse_linux:12

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2019/05/17

Vulnerability Publication Date: 2017/03/27

Reference Information

CVE: CVE-2016-10741, CVE-2017-1000407, CVE-2017-16533, CVE-2017-7273, CVE-2017-7472, CVE-2018-10940, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2018-14633, CVE-2018-15572, CVE-2018-16658, CVE-2018-16884, CVE-2018-18281, CVE-2018-18386, CVE-2018-18690, CVE-2018-18710, CVE-2018-19407, CVE-2018-19824, CVE-2018-19985, CVE-2018-20169, CVE-2018-5391, CVE-2018-9516, CVE-2018-9568, CVE-2019-11091, CVE-2019-11486, CVE-2019-3459, CVE-2019-3460, CVE-2019-3882, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-8564, CVE-2019-9213, CVE-2019-9503