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Ubuntu: USN-5226-1 (CVE-2021-3997): systemd vulnerability

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Ubuntu: USN-5226-1 (CVE-2021-3997): systemd vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/11/2022
Created
01/17/2022
Added
01/13/2022
Modified
01/13/2022

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From USN-5226-1:

It was discovered that systemd-tmpfiles employed uncontrolled recursion when removing deeply nested directory hierarchies. A local attacker could exploit this to cause systemd-tmpfiles to crash or have other unspecified impacts.

Solution(s)

  • ubuntu-upgrade-systemd

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