Ubuntu Update for linux USN-1323-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1323-1
Solution
Please Install the Updated Packages.
Insight
Peter Huewe discovered an information leak in the handling of reading security-related TPM data. A local, unprivileged user could read the results of a previous TPM command. (CVE-2011-1162) Clement Lecigne discovered a bug in the HFS filesystem. A local attacker could exploit this to cause a kernel oops. (CVE-2011-2203) A flaw was found in the b43 driver in the Linux kernel. An attacker could use this flaw to cause a denial of service if the system has an active wireless interface using the b43 driver. (CVE-2011-3359) A flaw was found in how the Linux kernel handles user-defined key types. An unprivileged local user could exploit this to crash the system. (CVE-2011-4110)
Affected
linux on Ubuntu 8.04 LTS