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USN-4271-1: Mesa vulnerability

6 February 2020

Mesa could be made to expose sensitive information.



  • mesa - free implementation of the EGL API


Tim Brown discovered that Mesa incorrectly handled shared memory
permissions. A local attacker could use this issue to obtain and possibly
alter sensitive information belonging to another user.

Update instructions

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

Ubuntu 19.10
Ubuntu 18.04

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