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Alerts This Week
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Alerts This Week
Warning Icon 1 514

Ubuntu 11.10 USN-1336-1 Critical: Root Access Via Kernel Flaw

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Calendar Grey January 23, 2012
Scroller Ubuntu
Debian Security Alert DSA-2000-1 highlights a severe vulnerability in the kernel that grants local users administrative privileges.
The system could be made to run programs as an administrator.

Summary

The system could be made to run programs as an administrator.

Software Description:

- linux: Linux kernel

Details:

Jüri Aedla discovered that the kernel incorrectly handled /proc//mem

permissions. A local attacker could exploit this and gain root privileges.

Topics%20covered

Topics Covered

security advisory Ubuntu local attack root access kernel flaw

Update Instructions

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

Ubuntu 11.10:
  linux-image-3.0.0-15-generic    3.0.0-15.26
  linux-image-3.0.0-15-generic-pae  3.0.0-15.26
  linux-image-3.0.0-15-omap       3.0.0-15.26
  linux-image-3.0.0-15-powerpc    3.0.0-15.26
  linux-image-3.0.0-15-powerpc-smp  3.0.0-15.26
  linux-image-3.0.0-15-powerpc64-smp  3.0.0-15.26
  linux-image-3.0.0-15-server     3.0.0-15.26
  linux-image-3.0.0-15-virtual    3.0.0-15.26

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

References

https://ubuntu.com/security/notices/USN-1336-1

CVE-2012-0056

Severity
critical
Lowest
Low
Medium
High
Critical

January 23, 2012

Topics%20covered

Topics Covered

security advisory Ubuntu local attack root access kernel flaw

Package Information

https://launchpad.net/ubuntu/+source/linux/3.0.0-15.26

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