[USN-4512-1] util-linux vulnerability
marc.deslauriers at canonical.com
Thu Sep 17 12:08:34 UTC 2020
Ubuntu Security Notice USN-4512-1
September 17, 2020
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
util-linux could be made to run programs when performing bash completion.
- util-linux: miscellaneous system utilities
It was discovered that the umount bash completion script shipped in
util-linux incorrectly handled certain mountpoints. If a local attacker
were able to create arbitrary mountpoints, another user could be tricked
into executing arbitrary code when attempting to run the umount command
with bash completion.
The problem can be corrected by updating your system to the following
Ubuntu 18.04 LTS:
In general, a standard system update will make all the necessary changes.
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