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[security-announce] SUSE-SU-2016:1040-1: important: Security update for Linux Kernel Live Patch 4
SUSE Security Update: Security update for Linux Kernel Live Patch 4

Announcement ID: SUSE-SU-2016:1040-1
Rating: important
References: #960563 #964732 #966683 #967773
Cross-References: CVE-2015-8709 CVE-2015-8812 CVE-2016-0774
Affected Products:
SUSE Linux Enterprise Live Patching 12

An update that fixes four vulnerabilities is now available.


This update for the Linux Kernel 3.12.39-47.1 fixes the following issues:

- CVE-2016-2384: A malicious USB device could cause a kernel crash in the
alsa usb-audio driver. (bsc#967773)

- CVE-2015-8812: A flaw was found in the CXGB3 kernel driver when the
network was considered congested. The kernel would incorrectly
misinterpret the congestion as an error condition and incorrectly
free/clean up the skb. When the device would then send the skb's queued,
these structures would be referenced and may panic the system or allow
an attacker to escalate privileges in a use-after-free scenario.

- CVE-2016-0774: A pipe buffer state corruption after unsuccessful atomic
read from pipe was fixed (bsc#964732).

- CVE-2015-8709: kernel/ptrace.c in the Linux kernel mishandled uid and
gid mappings, which allowed local users to gain privileges by
establishing a user namespace, waiting for a root process to enter that
namespace with an unsafe uid or gid, and then using the ptrace system
call. NOTE: the vendor states "there is no kernel bug here." (bsc#960563)

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-12-2016-615=1

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

Package List:

- SUSE Linux Enterprise Live Patching 12 (x86_64):



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