Advisory Published

USN-1225-1: Linux kernel vulnerabilities

First published: Tue Oct 04 2011(Updated: )

Timo Warns discovered that the EFI GUID partition table was not correctly parsed. A physically local attacker that could insert mountable devices could exploit this to crash the system or possibly gain root privileges. (CVE-2011-1776) Dan Rosenberg discovered that the IPv4 diagnostic routines did not correctly validate certain requests. A local attacker could exploit this to consume CPU resources, leading to a denial of service. (CVE-2011-2213) Dan Rosenberg discovered that the Bluetooth stack incorrectly handled certain L2CAP requests. If a system was using Bluetooth, a remote attacker could send specially crafted traffic to crash the system or gain root privileges. (CVE-2011-2497) Fernando Gont discovered that the IPv6 stack used predictable fragment identification numbers. A remote attacker could exploit this to exhaust network resources, leading to a denial of service. (CVE-2011-2699) Time Warns discovered that long symlinks were incorrectly handled on Be filesystems. A local attacker could exploit this with a malformed Be filesystem and crash the system, leading to a denial of service. (CVE-2011-2928) Darren Lavender discovered that the CIFS client incorrectly handled certain large values. A remote attacker with a malicious server could exploit this to crash the system or possibly execute arbitrary code as the root user. (CVE-2011-3191)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-2.6.24-29-sparc64<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-rt<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-386<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-itanium<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-hppa32<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-openvz<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-generic<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-xen<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-powerpc<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-powerpc-smp<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-hppa64<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-server<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-powerpc64-smp<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-lpia<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-virtual<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-mckinley<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-sparc64-smp<2.6.24-29.94
2.6.24-29.94
=8.04
All of
ubuntu/linux-image-2.6.24-29-lpiacompat<2.6.24-29.94
2.6.24-29.94
=8.04

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