SUSE Security Update: Security update for the Linux Kernel (Live Patch 18 for SLE 12) ______________________________________________________________________________

Announcement ID: SUSE-SU-2017:3151-1 Rating: important References: #1063671 #1064392 #1066471 #1066472 Cross-References: CVE-2017-13080 CVE-2017-15649 Affected Products: SUSE Linux Enterprise Server 12-LTSS ______________________________________________________________________________

An update that solves two vulnerabilities and has two fixes is now available.

Description:

This update for the Linux Kernel 3.12.60-52_63 fixes several issues.

The following security issues were fixed:

- CVE-2017-15649: net/packet/af_packet.c in the Linux kernel allowed local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that leads to a use-after-free, a different vulnerability than CVE-2017-6346 (bsc#1064392) - CVE-2017-13080: Wi-Fi Protected Access (WPA and WPA2) allowed reinstallation of the Group Temporal Key (GTK) during the group key handshake, allowing an attacker within radio range to replay frames from access points to clients (bsc#1063671, bsc#1066472, bsc#1066471)

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 12-LTSS:

zypper in -t patch SUSE-SLE-SERVER-12-2017-1962=1

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

Package List:

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

kgraft-patch-3_12_60-52_63-default-10-2.1 kgraft-patch-3_12_60-52_63-xen-10-2.1

References:

https://www.suse.com/security/cve/CVE-2017-13080.html https://www.suse.com/security/cve/CVE-2017-15649.html https://bugzilla.suse.com/1063671 https://bugzilla.suse.com/1064392 https://bugzilla.suse.com/1066471 https://bugzilla.suse.com/1066472