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[security-announce] SUSE-SU-2016:3111-1: important: Security update for Linux Kernel Live Patch 9 for SLE 12
SUSE Security Update: Security update for Linux Kernel Live Patch 9 for SLE
12
______________________________________________________________________________

Announcement ID: SUSE-SU-2016:3111-1
Rating: important
References: #1003253 #1012183 #1012759
Cross-References: CVE-2016-7117 CVE-2016-8655 CVE-2016-9555

Affected Products:
SUSE Linux Enterprise Server for SAP 12
SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________

An update that fixes three vulnerabilities is now available.

Description:


This update for the Linux Kernel 3.12.51-52_31 fixes several issues.

The following security bugs were fixed:
- CVE-2016-8655: A race condition in the af_packet packet_set_ring
function could be used by local attackers to crash the kernel or gain
privileges (bsc#1012759).
- CVE-2016-9555: The sctp_sf_ootb function in net/sctp/sm_statefuns.c in
the Linux kernel lacks chunk-length checking for the first chunk, which
allowed remote attackers to cause a denial of service (out-of-bounds
slab access) or possibly have unspecified other impact via crafted SCTP
data (bsc#1012183).
- CVE-2016-7117: Use-after-free vulnerability in the __sys_recvmmsg
function in net/socket.c in the Linux kernel allowed remote attackers to
execute arbitrary code via vectors involving a recvmmsg system call that
is mishandled during error processing (bsc#1003253).


Patch Instructions:

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

- SUSE Linux Enterprise Server for SAP 12:

zypper in -t patch SUSE-SLE-SAP-12-2016-1806=1

- SUSE Linux Enterprise Server 12-LTSS:

zypper in -t patch SUSE-SLE-SERVER-12-2016-1806=1

To bring your system up-to-date, use "zypper patch".


Package List:

- SUSE Linux Enterprise Server for SAP 12 (x86_64):

kgraft-patch-3_12_51-52_31-default-7-2.1
kgraft-patch-3_12_51-52_31-xen-7-2.1

- SUSE Linux Enterprise Server 12-LTSS (x86_64):

kgraft-patch-3_12_51-52_31-default-7-2.1
kgraft-patch-3_12_51-52_31-xen-7-2.1


References:

https://www.suse.com/security/cve/CVE-2016-7117.html
https://www.suse.com/security/cve/CVE-2016-8655.html
https://www.suse.com/security/cve/CVE-2016-9555.html
https://bugzilla.suse.com/1003253
https://bugzilla.suse.com/1012183
https://bugzilla.suse.com/1012759

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