USN-5311-2: containerd regression

16 May 2022

USN-5311-1 fix was reverted by mistake in containerd.

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Releases

Packages

Details

USN-5311-1 released updates for contained. Unfortunately, a subsequent update
reverted the fix for this CVE by mistake. This update corrects the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that containerd allows attackers to gain access to read-
only copies of arbitrary files and directories on the host via a specially-
crafted image configuration. An attacker could possibly use this issue to
obtain sensitive information.

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 21.10
Ubuntu 20.04

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

References

Related notices