CVE-2021-3997
A flaw was found in systemd.
Published Aug 23, 2022 · updated Oct 14, 2026 · systemd project systemd
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.
Timeline
Detection, updates, and resolution for this record.
Aug 23, 2022 · NIST NVD
Detected
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.
Oct 14, 2026 · NIST NVD
Updated
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
- cpe fedoraproject/fedora34
- cpe fedoraproject/fedora35
- cpe redhat/enterprise linux7.0
- cpe redhat/enterprise linux8.0
- cpe redhat/enterprise linux9.0
- cpe systemd project/systemdversion unspecified
Sources
- CVE.orgCVE-2021-3997
Official CVE identifier
cve.org - NIST NVDCVE-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.
nvd.nist.gov