USN-758-1: udev vulnerabilities

15 April 2009

udev vulnerabilities

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

  • Ubuntu 8.10
  • Ubuntu 8.04 LTS
  • Ubuntu 7.10
  • Ubuntu 6.06 LTS

Software Description

  • udev

Details

Sebastian Krahmer discovered that udev did not correctly validate netlink message senders. A local attacker could send specially crafted messages to udev in order to gain root privileges. (CVE-2009-1185)

Sebastian Krahmer discovered a buffer overflow in the path encoding routines in udev. A local attacker could exploit this to crash udev, leading to a denial of service. (CVE-2009-1186)

Update instructions

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

Ubuntu 8.10
udev - 124-9ubuntu0.2
Ubuntu 8.04 LTS
udev - 117-8ubuntu0.2
Ubuntu 7.10
udev - 113-0ubuntu17.2
Ubuntu 6.06 LTS
udev - 079-0ubuntu35.1

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

After a standard system upgrade you need to reboot your computer to effect the necessary changes.

References