medium5.5
CVE-2021-3997
A flaw was found in systemd.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Systemd Project | Systemd | from 240 before 250.2 |
| Fedoraproject | Fedora | Versions 34, 35 |
| Redhat | Enterprise Linux | Versions 7.0, 8.0, 9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/security/cve/CVE-2021-3997
- https://bugzilla.redhat.com/show_bug.cgi?id=2024639
- https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1
- https://security.gentoo.org/glsa/202305-15
- https://www.openwall.com/lists/oss-security/2022/01/10/2
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html