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Ubuntu Security Notice USN-2314-1

Ubuntu Security Notice USN-2314-1
Posted Aug 14, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2314-1 - An flaw was discovered in the Linux kernel's audit subsystem when auditing certain syscalls. A local attacker could exploit this flaw to obtain potentially sensitive single-bit values from kernel memory or cause a denial of service (OOPS).

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-3917
SHA-256 | b9069da9ff51874f9fc252dc9b3b1c2a8eaceb62a7eb43f755f6e10445fcd760

Ubuntu Security Notice USN-2314-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-2314-1
August 13, 2014

linux vulnerability
============================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

The system could be made to crash under certain conditions.

Software Description:
- linux: Linux kernel

Details:

An flaw was discovered in the Linux kernel's audit subsystem when auditing
certain syscalls. A local attacker could exploit this flaw to obtain
potentially sensitive single-bit values from kernel memory or cause a
denial of service (OOPS).

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS:
linux-image-3.13.0-33-generic 3.13.0-33.58
linux-image-3.13.0-33-generic-lpae 3.13.0-33.58
linux-image-3.13.0-33-lowlatency 3.13.0-33.58
linux-image-3.13.0-33-powerpc-e500 3.13.0-33.58
linux-image-3.13.0-33-powerpc-e500mc 3.13.0-33.58
linux-image-3.13.0-33-powerpc-smp 3.13.0-33.58
linux-image-3.13.0-33-powerpc64-emb 3.13.0-33.58
linux-image-3.13.0-33-powerpc64-smp 3.13.0-33.58

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References:
http://www.ubuntu.com/usn/usn-2314-1
CVE-2014-3917

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.13.0-33.58
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