1. Ubuntu Security Notices
  2. USN-5478-1

USN-5478-1: util-linux vulnerability

Publication date

14 June 2022

Overview

A util-linux program could be made to crash if it opened a specially crafted file system.

Releases

Packages

Details

Christian Moch and Michael Gruhn discovered that the libblkid library
of util-linux did not properly manage memory under certain
circumstances. A local attacker could possibly use this issue
to cause denial of service by consuming all memory through
a specially crafted MSDOS partition table.

Christian Moch and Michael Gruhn discovered that the libblkid library
of util-linux did not properly manage memory under certain
circumstances. A local attacker could possibly use this issue
to cause denial of service by consuming all memory through
a specially crafted MSDOS partition table.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.04 xenial util-linux –  2.27.1-6ubuntu3.10+esm2  
libblkid1 –  2.27.1-6ubuntu3.10+esm2  

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References

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