Advisory Published

USN-1974-1: Linux kernel vulnerabilities

First published: Fri Sep 27 2013(Updated: )

Vince Weaver discovered a flaw in the perf subsystem of the Linux kernel on ARM platforms. A local user could exploit this flaw to gain privileges or cause a denial of service (system crash). (CVE-2013-4254) A memory leak was discovered in the user namespace facility of the Linux kernel. A local user could cause a denial of service (memory consumption) via the CLONE_NEWUSER unshare call. (CVE-2013-4205)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-3.8.0-31-generic<3.8.0-31.46
3.8.0-31.46
=13.04

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