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[security-announce] SUSE-SU-2017:3338-1: important: Security update for the Linux Kernel (Live Patch 22 for SLE 12 SP1)
SUSE Security Update: Security update for the Linux Kernel (Live Patch 22
for SLE 12 SP1)
______________________________________________________________________________

Announcement ID: SUSE-SU-2017:3338-1
Rating: important
References: #1069708
Cross-References: CVE-2017-16939
Affected Products:
SUSE Linux Enterprise Server for SAP 12-SP1
SUSE Linux Enterprise Server 12-SP1-LTSS
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 3.12.74-60_64_63 fixes one issue.

The following security issue was fixed:

- CVE-2017-16939: The XFRM dump policy implementation in
net/xfrm/xfrm_user.c allowed local users to gain privileges or cause a
denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt
system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages
(bsc#1069708).


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-SP1:

zypper in -t patch SUSE-SLE-SAP-12-SP1-2017-2091=1

- SUSE Linux Enterprise Server 12-SP1-LTSS:

zypper in -t patch SUSE-SLE-SERVER-12-SP1-2017-2091=1

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


Package List:

- SUSE Linux Enterprise Server for SAP 12-SP1 (x86_64):

kgraft-patch-3_12_74-60_64_63-default-2-2.1
kgraft-patch-3_12_74-60_64_63-xen-2-2.1

- SUSE Linux Enterprise Server 12-SP1-LTSS (x86_64):

kgraft-patch-3_12_74-60_64_63-default-2-2.1
kgraft-patch-3_12_74-60_64_63-xen-2-2.1


References:

https://www.suse.com/security/cve/CVE-2017-16939.html
https://bugzilla.suse.com/1069708

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