SUSE-SU-2017:1939-1: important: Security update for Linux Kernel Live Patch 21 for SLE 12

The following information has been provided by the opensuse security announce mailing lIST

SUSE Security Update: Security update for Linux Kernel Live Patch 21 for SLE 12
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Announcement ID:    SUSE-SU-2017:1939-1
Rating:             important
References:         #1039496
Cross-References:   CVE-2017-1000364
Affected Products:
SUSE Linux Enterprise Server for SAP 12
SUSE Linux Enterprise Server 12-LTSS
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An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 3.12.61-52_72 fixes one issue.

The following security bugs were fixed:

– CVE-2017-1000364: An issue was discovered in the size of the stack guard
page on Linux, specifically a 4k stack guard page is not sufficiently
large and can be “jumped” over (the stack guard page is bypassed)
(bsc#1039496).

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-12-2017-1206=1

– SUSE Linux Enterprise Server 12-LTSS:

zypper in -t patch SUSE-SLE-SERVER-12-2017-1206=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_61-52_72-default-2-3.1
kgraft-patch-3_12_61-52_72-xen-2-3.1

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

kgraft-patch-3_12_61-52_72-default-2-3.1
kgraft-patch-3_12_61-52_72-xen-2-3.1

References:

https://www.suse.com/security/cve/CVE-2017-1000364.html
https://bugzilla.suse.com/1039496