CVE-2021-3997

Public on 2022-03-08

Modified on 2024-02-12

Description

A flaw was found in systemd. An uncontrolled recursion in systemd-tmpfiles may lead to a denial of service at boot time when too many nested directories are created in /tmp.

Severity

Medium

See what this means

CVSS v3 Base Score

5.5

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory
Amazon Linux 2023	systemd	2023-02-17 20:43	ALAS2023-2023-025

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD	CVSSv3	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Red Hat: CVE-2021-3997 Mitre: CVE-2021-3997 FAQs regarding Amazon Linux ALAS/CVE Severity