USN-6619-1: runC vulnerability

31 January 2024

runC could be made to expose sensitive information or allow to escape contianers.

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Releases

Packages

  • runc - Open Container Project

Details

Rory McNamara discovered that runC did not properly manage internal file
descriptor while managing containers. An attacker could possibly use this
issue to obtain sensitive information or bypass container restrictions.

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 23.10
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04

In general, a standard system update will make all the necessary changes.

References

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Further reading