Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 523
Alerts This Week
Warning Icon 1 523

Ubuntu 10.04 LTS USN-1337-1 Moderate: Kernel Backport Threats

ubuntu
Calendar Grey January 23, 2012
Scroller Ubuntu
A variety of vulnerabilities have been addressed in the Ubuntu kernel backport, affecting users of Ubuntu 10.04 LTS. Discover further details.
Several security issues were fixed in the kernel.

Summary

Several security issues were fixed in the kernel.

Software Description:

- 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 LTS:
  linux-image-2.6.38-13-generic   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-server    2.6.38-13.54~lucid1
  linux-image-2.6.38-13-virtual   2.6.38-13.54~lucid1

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

References

https://ubuntu.com/security/notices/USN-1337-1

CVE-2011-1162, CVE-2011-2203, CVE-2011-4110

January 23, 2012

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.