Ubuntu Security Notice USN-758-1
15th 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 version:
- 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.