CVE-2021-3997

medium

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.

References

https://security.gentoo.org/glsa/202305-15

https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1

https://bugzilla.redhat.com/show_bug.cgi?id=2024639

https://access.redhat.com/security/cve/CVE-2021-3997

https://www.tenable.com/cyber-exposure/tenable-2022-threat-landscape-report

https://www.openwall.com/lists/oss-security/2022/01/10/2

Details

Source: Mitre, NVD

Published: 2022-08-23

Updated: 2023-05-03

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H