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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: SUSE-SU-2017:0229-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Live Patching 12
Datum: Fr, 20. Januar 2017, 18:49
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9794
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9576
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8632

Originalnachricht

   SUSE Security Update: Security update for Linux Kernel Live Patch 9 for SLE
12 SP1
______________________________________________________________________________

Announcement ID: SUSE-SU-2017:0229-1
Rating: important
References: #1012852 #1013543 #1013604 #1014271
Cross-References: CVE-2016-8632 CVE-2016-9576 CVE-2016-9794

Affected Products:
SUSE Linux Enterprise Live Patching 12
______________________________________________________________________________

An update that solves three vulnerabilities and has one
errata is now available.

Description:

This update for the Linux Kernel 3.12.67-60_64_18 fixes several issues.

The following security bugs were fixed:
- CVE-2016-9794: Race condition in the snd_pcm_period_elapsed function in
sound/core/pcm_lib.c in the ALSA subsystem in the Linux kernel allowed
local users to cause a denial of service (use-after-free) or possibly
have unspecified other impact via a crafted SNDRV_PCM_TRIGGER_START
command (bsc#1013543).
- CVE-2016-8632: The tipc_msg_build function in net/tipc/msg.c in the
Linux kernel did not validate the relationship between the minimum
fragment length and the maximum packet size, which allowed local users
to gain privileges or cause a denial of service (heap-based buffer
overflow) by leveraging the CAP_NET_ADMIN capability (bsc#1012852).
- CVE-2016-9576: The blk_rq_map_user_iov function in block/blk-map.c in
the Linux kernel did not properly restrict the type of iterator, which
allowed local users to read or write to arbitrary kernel memory
locations or cause a denial of service (use-after-free) by leveraging
access to a /dev/sg device (bsc#1014271).


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-12-2017-111=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_67-60_64_18-default-3-2.1
kgraft-patch-3_12_67-60_64_18-xen-3-2.1


References:

https://www.suse.com/security/cve/CVE-2016-8632.html
https://www.suse.com/security/cve/CVE-2016-9576.html
https://www.suse.com/security/cve/CVE-2016-9794.html
https://bugzilla.suse.com/1012852
https://bugzilla.suse.com/1013543
https://bugzilla.suse.com/1013604
https://bugzilla.suse.com/1014271

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