CVEvulnerability
CVE-2021-3997
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-08-23
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-674
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.
Affected configurations
• systemd project systemd (>= 240 < 250.2)
• fedoraproject fedora 34
• fedoraproject fedora 35
• redhat enterprise linux 7.0
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
Related
Weakness · CWE (1)
- CWE-674 Uncontrolled Recursion weakness
References
- https://access.redhat.com/security/cve/CVE-2021-3997 Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2024639 Issue Tracking, Patch, Third Party Advisory
- https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1 Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202305-15 security.gentoo.org
- https://www.openwall.com/lists/oss-security/2022/01/10/2 Exploit, Mailing List, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3997 Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2024639 Issue Tracking, Patch, Third Party Advisory
- https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1 Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202305-15 security.gentoo.org
- https://www.openwall.com/lists/oss-security/2022/01/10/2 Exploit, Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com