SUSE Security Update: Security update for Linux Kernel Live Patch 0 for SLE 12 SP2 ______________________________________________________________________________

Announcement ID: SUSE-SU-2017:2801-1 Rating: important References: #1053150 #1057950 #1062471 Cross-References: CVE-2017-1000251 CVE-2017-12762 CVE-2017-15274

Affected Products: SUSE Linux Enterprise Live Patching 12 ______________________________________________________________________________

An update that fixes three vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.4.21-69 fixes several issues.

The following security bugs were fixed:

- CVE-2017-15274: security/keys/keyctl.c in the Linux kernel did not consider the case of a NULL payload in conjunction with a nonzero length value, which allowed local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted add_key or keyctl system call (bsc#1062471). - CVE-2017-1000251: The native Bluetooth stack in the Linux Kernel (BlueZ) was vulnerable to a stack overflow vulnerability in the processing of L2CAP configuration responses resulting in Remote code execution in kernel space (bsc#1057950). - CVE-2017-12762: In drivers/isdn/i4l/isdn_net.c a user-controlled buffer was copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow (bsc#1053150).

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-12-2017-1744=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-10-18.13.1

References:

https://www.suse.com/security/cve/CVE-2017-1000251.html https://www.suse.com/security/cve/CVE-2017-12762.html https://www.suse.com/security/cve/CVE-2017-15274.html https://bugzilla.suse.com/1053150 https://bugzilla.suse.com/1057950 https://bugzilla.suse.com/1062471