SUSE Security Update: Security update for Linux Kernel Live Patch 12 for SLE 12 ______________________________________________________________________________

Announcement ID: SUSE-SU-2017:0771-1 Rating: important References: #1025013 Cross-References: CVE-2017-5970 Affected Products: SUSE Linux Enterprise Server for SAP 12 SUSE Linux Enterprise Server 12-LTSS ______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 3.12.55-52_42 fixes one issue.

The following security bug was fixed:

- CVE-2017-5970: The ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c in the Linux kernel allowed attackers to cause a denial of service (system crash) via (1) an application that made crafted system calls or possibly (2) IPv4 traffic with invalid IP options (bsc#1025013).

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-12-2017-418=1

- SUSE Linux Enterprise Server 12-LTSS:

zypper in -t patch SUSE-SLE-SERVER-12-2017-418=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_55-52_42-default-7-2.1 kgraft-patch-3_12_55-52_42-xen-7-2.1

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

kgraft-patch-3_12_55-52_42-default-7-2.1 kgraft-patch-3_12_55-52_42-xen-7-2.1

References:

https://www.suse.com/security/cve/CVE-2017-5970.html https://bugzilla.suse.com/1025013