SUSE Security Update: Security update for Linux Kernel Live Patch 0 for SLE 12 SP2 ______________________________________________________________________________
Announcement ID: SUSE-SU-2016:3169-1 Rating: important References: #1008284 #1012183 #1012759 Cross-References: CVE-2016-8655 CVE-2016-9555 Affected Products: SUSE Linux Enterprise Live Patching 12 ______________________________________________________________________________
An update that solves two vulnerabilities and has one errata is now available.
Description:
This update for the Linux Kernel 4.4.21-69 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). - A stability issue in the btrfs module was fixed (bsc#1008284)
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 Live Patching 12:
zypper in -t patch SUSE-SLE-Live-Patching-12-2016-1834=1
To bring your system up-to-date, use "zypper patch".
Package List:
- SUSE Linux Enterprise Live Patching 12 (x86_64):
kgraft-patch-4_4_21-69-default-2-5.1
References:
https://www.suse.com/security/cve/CVE-2016-8655.html https://www.suse.com/security/cve/CVE-2016-9555.html https://bugzilla.suse.com/1008284 https://bugzilla.suse.com/1012183 https://bugzilla.suse.com/1012759