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Ubuntu 12.04 LTS USN-1749-1 Critical: Kernel Crash and Admin Exploit

Ubuntu Large Esm H500
The system could be made to crash or run programs as an administrator.
=========================================================================Ubuntu Security Notice USN-1749-1
February 26, 2013

linux-lts-quantal vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 LTS

Summary:

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

Software Description:
- linux-lts-quantal: Linux hardware enablement kernel from Quantal

Details:

Brad Spengler discovered a bounds checking error for netlink messages
requesting SOCK_DIAG_BY_FAMILY. An unprivileged local user could exploit
this flaw to crash the system or run programs as an administrator.

Update instructions:

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

Ubuntu 12.04 LTS:
  linux-image-3.5.0-25-generic    3.5.0-25.39~precise1

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

References:
  https://ubuntu.com/security/notices/USN-1749-1
  CVE-2013-1763

Package Information:
  https://launchpad.net/ubuntu/+source/linux-lts-quantal/3.5.0-25.39~precise1

Ubuntu 12.04 LTS USN-1749-1 Critical: Kernel Crash and Admin Exploit

ubuntu
Calendar Grey February 26, 2013
Dist Ubuntu Esm H88
A significant Ubuntu advisory has been issued regarding a vulnerability within the kernel that may lead to system instability or unauthorized execution of administrator-level processes.
The system could be made to crash or run programs as an administrator.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 LTS: linux-image-3.5.0-25-generic 3.5.0-25.39~precise1 After a standard system update you need to reboot your computer to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-1749-1

CVE-2013-1763

Severity
critical
Lowest
Low
Medium
High
Critical

February 26, 2013

Package Information

https://launchpad.net/ubuntu/+source/linux-lts-quantal/3.5.0-25.39~precise1

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