Your submission was sent successfully! Close

Thank you for contacting us. A member of our team will be in touch shortly. Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

USN-1155-1: NBD vulnerability

21 June 2011

An attacker could send crafted input to NBD and cause it to crash or to run arbitrary programs.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • nbd - Network Block Device protocol

Details

It was discovered that NBD incorrectly handled certain long requests. A
remote attacker could use this flaw to cause NBD to crash, resulting in
a denial of service, or possibly execute arbitrary code.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 8.04
Ubuntu 10.10
Ubuntu 10.04

After a standard system update you need to restart NBD to make all the
necessary changes.

References