USN-1337-1: Linux kernel (Natty backport) vulnerabilities
23 January 2012
Several security issues were fixed in the kernel.
Releases
Packages
- linux-lts-backport-natty - Linux kernel backport from Natty
Details
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 how the Linux kernel handles user-defined key types. An
unprivileged local user could exploit this to crash the system.
(CVE-2011-4110)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 10.04
-
linux-image-2.6.38-13-virtual
-
2.6.38-13.54~lucid1
-
linux-image-2.6.38-13-server
-
2.6.38-13.54~lucid1
-
linux-image-2.6.38-13-generic-pae
-
2.6.38-13.54~lucid1
-
linux-image-2.6.38-13-generic
-
2.6.38-13.54~lucid1
After a standard system update you need to reboot your computer to make
all the necessary changes.