USN-5149-1: AccountsService vulnerability

16 November 2021

AccountsService could be made to crash or run programs as an administrator if it received a specially crafted command.

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Releases

Packages

Details

Kevin Backhouse discovered that AccountsService incorrectly handled memory
when performing certain language setting operations. A local attacker could
use this issue to escalate privileges.

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.

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Update instructions

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

Ubuntu 21.10
Ubuntu 21.04
Ubuntu 20.04

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

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Further reading