USN-1468-1: Linux kernel vulnerability

Releases

• Ubuntu 10.04

Packages

• linux - Linux kernel

Details

Schacher Raindel discovered a flaw in the Linux kernel's memory handling
when hugetlb is enabled. An unprivileged local attacker could exploit this
flaw to cause a denial of service and potentially gain higher privileges.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 10.04

• linux-image-2.6.32-41-server - 2.6.32-41.90
• linux-image-2.6.32-41-preempt - 2.6.32-41.90
• linux-image-2.6.32-41-ia64 - 2.6.32-41.90
• linux-image-2.6.32-41-generic-pae - 2.6.32-41.90
• linux-image-2.6.32-41-386 - 2.6.32-41.90
• linux-image-2.6.32-41-generic - 2.6.32-41.90
• linux-image-2.6.32-41-powerpc - 2.6.32-41.90
• linux-image-2.6.32-41-sparc64 - 2.6.32-41.90
• linux-image-2.6.32-41-sparc64-smp - 2.6.32-41.90
• linux-image-2.6.32-41-powerpc-smp - 2.6.32-41.90
• linux-image-2.6.32-41-virtual - 2.6.32-41.90
• linux-image-2.6.32-41-powerpc64-smp - 2.6.32-41.90
• linux-image-2.6.32-41-versatile - 2.6.32-41.90
• linux-image-2.6.32-41-lpia - 2.6.32-41.90

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

• CVE-2012-2133

Related notices

• USN-1474-1: linux-image-3.2.0-1414-omap4, linux-ti-omap4
• USN-1457-1: linux-image-2.6.38-15-virtual, linux-image-2.6.38-15-powerpc, linux, linux-image-2.6.38-15-powerpc-smp, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-omap, linux-image-2.6.38-15-versatile, linux-image-2.6.38-15-powerpc64-smp, linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic-pae
• USN-1476-1: linux-image-3.0.0-1211-omap4, linux-ti-omap4
• USN-1470-1: linux-image-2.6.38-15-virtual, linux-lts-backport-natty, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic-pae
• USN-1472-1: linux-image-3.0.0-21-virtual, linux-image-3.0.0-21-generic-pae, linux-image-3.0.0-21-omap, linux-image-3.0.0-21-powerpc64-smp, linux-image-3.0.0-21-generic, linux, linux-image-3.0.0-21-server, linux-image-3.0.0-21-powerpc-smp, linux-image-3.0.0-21-powerpc
• USN-1473-1: linux-image-3.2.0-25-powerpc-smp, linux-image-3.2.0-25-generic, linux-image-3.2.0-25-omap, linux, linux-image-3.2.0-25-generic-pae, linux-image-3.2.0-25-powerpc64-smp, linux-image-3.2.0-25-highbank, linux-image-3.2.0-25-virtual
• USN-1471-1: linux-image-3.0.0-21-generic-pae, linux-image-3.0.0-21-generic, linux-lts-backport-oneiric, linux-image-3.0.0-21-server, linux-image-3.0.0-21-virtual
• USN-1469-1: linux-ec2, linux-image-2.6.32-345-ec2