Advisory Published

USN-1567-1: Linux kernel vulnerabilities

First published: Fri Sep 14 2012(Updated: )

A flaw was found in how the Linux kernel passed the replacement session keyring to a child process. An unprivileged local user could exploit this flaw to cause a denial of service (panic). (CVE-2012-2745) Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. (CVE-2012-3412) Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. (CVE-2012-3430) A flaw was discovered in the madvise feature of the Linux kernel's memory subsystem. An unprivileged local use could exploit the flaw to cause a denial of service (crash the system). (CVE-2012-3511)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-2.6.38-16-omap<2.6.38-16.67
2.6.38-16.67
=11.04
All of
ubuntu/linux-image-2.6.38-16-powerpc-smp<2.6.38-16.67
2.6.38-16.67
=11.04
All of
ubuntu/linux-image-2.6.38-16-versatile<2.6.38-16.67
2.6.38-16.67
=11.04
All of
ubuntu/linux-image-2.6.38-16-server<2.6.38-16.67
2.6.38-16.67
=11.04
All of
ubuntu/linux-image-2.6.38-16-powerpc64-smp<2.6.38-16.67
2.6.38-16.67
=11.04
All of
ubuntu/linux-image-2.6.38-16-generic-pae<2.6.38-16.67
2.6.38-16.67
=11.04
All of
ubuntu/linux-image-2.6.38-16-generic<2.6.38-16.67
2.6.38-16.67
=11.04
All of
ubuntu/linux-image-2.6.38-16-virtual<2.6.38-16.67
2.6.38-16.67
=11.04
All of
ubuntu/linux-image-2.6.38-16-powerpc<2.6.38-16.67
2.6.38-16.67
=11.04

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Child vulnerabilities

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