CVE-2021-3997
5.5
MEDIUM
CVSS 3.1
EPSS 0.02%
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.
How to fix CVE-2021-3997
To remediate CVE-2021-3997, upgrade the affected package to a fixed version below.
- Debian/systemd—upgrade to 247.3-7 or later
Is CVE-2021-3997 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 247.3-7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |