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Alerts This Week
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Ubuntu 11.04: 1345-1 Medium Severity - Linux Kernel Issues

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Calendar Grey January 24, 2012
Scroller Ubuntu
Numerous core vulnerabilities were addressed in Fedora 15, boosting the operating system's resilience against potential attacks.
Several security issues were fixed in the kernel.

Summary

Several security issues were fixed in the kernel.

Software Description:

- linux: Linux kernel

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 11.04:
  linux-image-2.6.38-13-generic   2.6.38-13.54
  linux-image-2.6.38-13-generic-pae  2.6.38-13.54
  linux-image-2.6.38-13-omap      2.6.38-13.54
  linux-image-2.6.38-13-powerpc   2.6.38-13.54
  linux-image-2.6.38-13-powerpc-smp  2.6.38-13.54
  linux-image-2.6.38-13-powerpc64-smp  2.6.38-13.54
  linux-image-2.6.38-13-server    2.6.38-13.54
  linux-image-2.6.38-13-versatile  2.6.38-13.54
  linux-image-2.6.38-13-virtual   2.6.38-13.54

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

References

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

Severity
medium
Lowest
Low
Medium
High
Critical

January 24, 2012

Package Information

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