USN-2202-1: Linux kernel vulnerability

Ubuntu Security Notice USN-2202-1

5th May, 2014

linux vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.10

Summary

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

Software description

  • linux - Linux kernel

Details

A flaw was discovered in the Linux kernel's pseudo tty (pty) device. An
unprivileged user could exploit this flaw to cause a denial of service
(system crash) or potentially gain administrator privileges.

Update instructions

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

Ubuntu 12.10:
linux-image-3.5.0-49-highbank 3.5.0-49.74
linux-image-3.5.0-49-powerpc-smp 3.5.0-49.74
linux-image-3.5.0-49-omap 3.5.0-49.74
linux-image-3.5.0-49-powerpc64-smp 3.5.0-49.74
linux-image-3.5.0-49-generic 3.5.0-49.74

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2014-0196