Advisory Published

USN-1236-1: Linux kernel vulnerabilities

First published: Thu Oct 20 2011(Updated: )

It was discovered that the Auerswald usb driver incorrectly handled lengths of the USB string descriptors. A local attacker with physical access could insert a specially crafted USB device and gain root privileges. (CVE-2009-4067) It was discovered that the Stream Control Transmission Protocol (SCTP) implementation incorrectly calculated lengths. If the net.sctp.addip_enable variable was turned on, a remote attacker could send specially crafted traffic to crash the system. (CVE-2011-1573) Vasiliy Kulikov discovered that taskstats did not enforce access restrictions. A local attacker could exploit this to read certain information, leading to a loss of privacy. (CVE-2011-2494) Vasiliy Kulikov discovered that /proc/PID/io did not enforce access restrictions. A local attacker could exploit this to read certain information, leading to a loss of privacy. (CVE-2011-2495) Dan Kaminsky discovered that the kernel incorrectly handled random sequence number generation. An attacker could use this flaw to possibly predict sequence numbers and inject packets. (CVE-2011-3188)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-2.6.24-29-sparc64<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-rt<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-386<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-itanium<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-hppa32<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-openvz<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-generic<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-xen<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-powerpc<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-powerpc-smp<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-hppa64<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-server<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-powerpc64-smp<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-lpia<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-virtual<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-mckinley<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-sparc64-smp<2.6.24-29.95
2.6.24-29.95
=8.04
All of
ubuntu/linux-image-2.6.24-29-lpiacompat<2.6.24-29.95
2.6.24-29.95
=8.04

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