Vulnerability Monitor

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CVE-2021-3997

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.

Published

2022-08-23T20:15:08.670

Last Modified

2024-11-21T06:23:20.623

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

Weaknesses

Type: Secondary
CWE-674
Type: Primary
CWE-674

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	systemd_project	systemd	< 250.2	Yes
Operating System	fedoraproject	fedora	34	Yes
Operating System	fedoraproject	fedora	35	Yes
Operating System	redhat	enterprise_linux	7.0	Yes
Operating System	redhat	enterprise_linux	8.0	Yes
Operating System	redhat	enterprise_linux	9.0	Yes

References

https://access.redhat.com/security/cve/CVE-2021-3997 Issue Tracking, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2024639 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1 Patch, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202305-15 ([email protected])
https://www.openwall.com/lists/oss-security/2022/01/10/2 Exploit, Mailing List, Third Party Advisory ([email protected])
https://access.redhat.com/security/cve/CVE-2021-3997 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=2024639 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202305-15 (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2022/01/10/2 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)