[security-announce] SUSE-SU-2016:0751-1: important: Security update for kernel live patch 0

[news 28]

SUSE Security Update: Security update for kernel live patch 0

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Announcement ID: SUSE-SU-2016:0751-1

Rating: important

References: #955837 #960329 #962078

Cross-References: CVE-2013-7446 CVE-2015-8660 CVE-2016-0728

 

Affected Products:

SUSE Linux Enterprise Live Patching 12

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An update that fixes three vulnerabilities is now available.

 

Description:

 

 

This kernel live patch for Linux Kernel 3.12.49-11.1 fixes three security

issues:

 

Fixes:

- CVE-2016-0728: A reference leak in keyring handling with

join_session_keyring() could lead to local attackers gain root

privileges. (bsc#962078).

- CVE-2015-8660: The ovl_setattr function in fs/overlayfs/inode.c in the

Linux kernel through 4.3.3 attempts to merge distinct setattr

operations, which allows local users to bypass intended access

restrictions and modify the attributes of arbitrary overlay files via a

crafted application. (bsc#960329)

- CVE-2013-7446: Use-after-free vulnerability in net/unix/af_unix.c in the

Linux kernel allowed local users to bypass intended AF_UNIX socket

permissions or cause a denial of service (panic) via crafted epoll_ctl

calls. (bsc#955837)

 

 

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-12-2016-439=1

 

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

 

 

Package List:

 

- SUSE Linux Enterprise Live Patching 12 (x86_64):

 

kgraft-patch-3_12_49-11-default-3-8.2

kgraft-patch-3_12_49-11-xen-3-8.2

 

 

References:

 

https://www.suse.com/security/cve/CVE-2013-7446.html

https://www.suse.com/security/cve/CVE-2015-8660.html

https://www.suse.com/security/cve/CVE-2016-0728.html

https://bugzilla.suse.com/955837

https://bugzilla.suse.com/960329

https://bugzilla.suse.com/962078

 

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