SUSE-SU-2015:1612-1 Security update for kernel-source

Not scored Published

A kernel update fixes a Btrfs space initialization bug that could cause denial of service via ENOSPC errors.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is SUSE-SU-2015:1612-1?

SUSE-SU-2015:1612-1 is a vulnerability in kernel-default, published on 10 Sep 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The SUSE Linux Enterprise 12 kernel was updated to version 3.12.44-52.13 to receive various bugfixes.

  • Btrfs: don't initialize a space info as full to prevent ENOSPC (bsc#944001).
  • kernel/kvm: Fix MSA3/MSA4 detection (bsc#936916, LTC#127868).
  • zcrypt: Fixed reset and interrupt handling of AP queues (bsc#936916, LTC#126491).
  • Update s390x kABI files after gcc update (bsc#924525).

Which versions are affected by SUSE-SU-2015:1612-1?

Linux distribution packages (17)
kernel-default SUSE:Linux Enterprise Desktop 12All versions3.12.44-52.18.1
kernel-source SUSE:Linux Enterprise Desktop 12All versions3.12.44-52.18.1
kernel-syms SUSE:Linux Enterprise Desktop 12All versions3.12.44-52.18.1
kernel-xen SUSE:Linux Enterprise Desktop 12All versions3.12.44-52.18.1
kgraft-patch-SLE12_Update_7 SUSE:Linux Enterprise Live Patching 12All versions1-4.2
kernel-ec2 SUSE:Linux Enterprise Module for Public Cloud 12All versions3.12.44-52.18.1
kernel-default SUSE:Linux Enterprise Server 12All versions3.12.44-52.18.1
kernel-source SUSE:Linux Enterprise Server 12All versions3.12.44-52.18.1
kernel-syms SUSE:Linux Enterprise Server 12All versions3.12.44-52.18.1
kernel-xen SUSE:Linux Enterprise Server 12All versions3.12.44-52.18.1
kernel-default SUSE:Linux Enterprise Server for SAP Applications 12All versions3.12.44-52.18.1
kernel-source SUSE:Linux Enterprise Server for SAP Applications 12All versions3.12.44-52.18.1
kernel-syms SUSE:Linux Enterprise Server for SAP Applications 12All versions3.12.44-52.18.1
kernel-xen SUSE:Linux Enterprise Server for SAP Applications 12All versions3.12.44-52.18.1
kernel-docs SUSE:Linux Enterprise Software Development Kit 12All versions3.12.44-52.18.3
kernel-obs-build SUSE:Linux Enterprise Software Development Kit 12All versions3.12.44-52.18.1
kernel-default SUSE:Linux Enterprise Workstation Extension 12All versions3.12.44-52.18.1

How do I fix SUSE-SU-2015:1612-1?

Apply the vendor's patch.

Is SUSE-SU-2015:1612-1 being exploited?

There is no known exploitation of SUSE-SU-2015:1612-1 in the wild and no public exploit code.

Sources

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