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Test ID:1.3.6.1.4.1.25623.1.1.4.2018.1528.1
Category:SuSE Local Security Checks
Title:SUSE: Security Advisory (SUSE-SU-2018:1528-1)
Summary:The remote host is missing an update for the 'Linux Kernel (Live Patch 25 for SLE 12 SP1)' package(s) announced via the SUSE-SU-2018:1528-1 advisory.
Description:Summary:
The remote host is missing an update for the 'Linux Kernel (Live Patch 25 for SLE 12 SP1)' package(s) announced via the SUSE-SU-2018:1528-1 advisory.

Vulnerability Insight:
This update for the Linux Kernel 3.12.74-60_64_82 fixes several issues.
The following security issues were fixed:
- CVE-2017-13166: An elevation of privilege vulnerability in the kernel
v4l2 video driver was fixed. (bsc#1085447).
- CVE-2018-8897: A statement in the System Programming Guide of the Intel
64 and IA-32 Architectures Software Developer's Manual (SDM) was
mishandled in the development of some or all operating-system kernels,
resulting in unexpected behavior for #DB exceptions that are deferred by
MOV SS or POP SS, as demonstrated by (for example) privilege escalation
in Windows, macOS, some Xen configurations, or FreeBSD, or a Linux
kernel crash. The MOV to SS and POP SS instructions inhibit interrupts
(including NMIs), data breakpoints, and single step trap exceptions
until the instruction boundary following the next instruction (SDM Vol.
3A, section 6.8.3). (The inhibited data breakpoints are those on memory
accessed by the MOV to SS or POP to SS instruction itself.) Note that
debug exceptions are not inhibited by the interrupt enable (EFLAGS.IF)
system flag (SDM Vol. 3A, section 2.3). If the instruction following the
MOV to SS or POP to SS instruction is an instruction like SYSCALL,
SYSENTER, INT 3, etc. that transfers control to the operating system at
CPL
is complete. OS kernels may not expect this order of events and may
therefore experience unexpected behavior when it occurs (bsc#1090368).
- CVE-2018-8781: The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c
had an integer-overflow vulnerability allowing local users with access
to the udldrmfb driver to obtain full read and write permissions on
kernel physical pages, resulting in a code execution in kernel space
(bsc#1090646).
- bsc#1083125: Fixed kgraft: small race in reversion code

Affected Software/OS:
'Linux Kernel (Live Patch 25 for SLE 12 SP1)' package(s) on SUSE Linux Enterprise Server 12-SP1, SUSE Linux Enterprise Server for SAP 12-SP1.

Solution:
Please install the updated package(s).

CVSS Score:
7.2

CVSS Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-8781
Debian Security Information: DSA-4187 (Google Search)
https://www.debian.org/security/2018/dsa-4187
Debian Security Information: DSA-4188 (Google Search)
https://www.debian.org/security/2018/dsa-4188
https://patchwork.freedesktop.org/patch/211845/
https://research.checkpoint.com/mmap-vulnerabilities-linux-kernel/
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
RedHat Security Advisories: RHSA-2018:2948
https://access.redhat.com/errata/RHSA-2018:2948
RedHat Security Advisories: RHSA-2018:3083
https://access.redhat.com/errata/RHSA-2018:3083
RedHat Security Advisories: RHSA-2018:3096
https://access.redhat.com/errata/RHSA-2018:3096
https://usn.ubuntu.com/3654-1/
https://usn.ubuntu.com/3654-2/
https://usn.ubuntu.com/3656-1/
https://usn.ubuntu.com/3674-1/
https://usn.ubuntu.com/3674-2/
https://usn.ubuntu.com/3677-1/
https://usn.ubuntu.com/3677-2/
Common Vulnerability Exposure (CVE) ID: CVE-2018-8897
BugTraq ID: 104071
http://www.securityfocus.com/bid/104071
CERT/CC vulnerability note: VU#631579
https://www.kb.cert.org/vuls/id/631579
Debian Security Information: DSA-4196 (Google Search)
https://www.debian.org/security/2018/dsa-4196
Debian Security Information: DSA-4201 (Google Search)
https://www.debian.org/security/2018/dsa-4201
https://www.exploit-db.com/exploits/44697/
https://www.exploit-db.com/exploits/45024/
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d8ba61ba58c88d5207c1ba2f7d9a2280e7d03be9
http://openwall.com/lists/oss-security/2018/05/08/1
http://openwall.com/lists/oss-security/2018/05/08/4
https://bugzilla.redhat.com/show_bug.cgi?id=1567074
https://github.com/can1357/CVE-2018-8897/
https://github.com/torvalds/linux/commit/d8ba61ba58c88d5207c1ba2f7d9a2280e7d03be9
https://patchwork.kernel.org/patch/10386677/
https://support.apple.com/HT208742
https://svnweb.freebsd.org/base?view=revision&revision=333368
https://www.freebsd.org/security/advisories/FreeBSD-SA-18:06.debugreg.asc
https://www.triplefault.io/2018/05/spurious-db-exceptions-with-pop-ss.html
https://xenbits.xen.org/xsa/advisory-260.html
https://lists.debian.org/debian-lts-announce/2018/05/msg00015.html
https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html
https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html
RedHat Security Advisories: RHSA-2018:1318
https://access.redhat.com/errata/RHSA-2018:1318
RedHat Security Advisories: RHSA-2018:1319
https://access.redhat.com/errata/RHSA-2018:1319
RedHat Security Advisories: RHSA-2018:1345
https://access.redhat.com/errata/RHSA-2018:1345
RedHat Security Advisories: RHSA-2018:1346
https://access.redhat.com/errata/RHSA-2018:1346
RedHat Security Advisories: RHSA-2018:1347
https://access.redhat.com/errata/RHSA-2018:1347
RedHat Security Advisories: RHSA-2018:1348
https://access.redhat.com/errata/RHSA-2018:1348
RedHat Security Advisories: RHSA-2018:1349
https://access.redhat.com/errata/RHSA-2018:1349
RedHat Security Advisories: RHSA-2018:1350
https://access.redhat.com/errata/RHSA-2018:1350
RedHat Security Advisories: RHSA-2018:1351
https://access.redhat.com/errata/RHSA-2018:1351
RedHat Security Advisories: RHSA-2018:1352
https://access.redhat.com/errata/RHSA-2018:1352
RedHat Security Advisories: RHSA-2018:1353
https://access.redhat.com/errata/RHSA-2018:1353
RedHat Security Advisories: RHSA-2018:1354
https://access.redhat.com/errata/RHSA-2018:1354
RedHat Security Advisories: RHSA-2018:1355
https://access.redhat.com/errata/RHSA-2018:1355
RedHat Security Advisories: RHSA-2018:1524
https://access.redhat.com/errata/RHSA-2018:1524
http://www.securitytracker.com/id/1040744
http://www.securitytracker.com/id/1040849
http://www.securitytracker.com/id/1040861
http://www.securitytracker.com/id/1040866
http://www.securitytracker.com/id/1040882
https://usn.ubuntu.com/3641-1/
https://usn.ubuntu.com/3641-2/
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