Unrated severityNVD Advisory· Published Aug 23, 2022· Updated Aug 3, 2024

CVE-2021-3997

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Systemd Project/Systemdcpe-rescue2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)
Systemd Project/systemd-tmpfilesllm-fuzzy
osv-coords6 versions
pkg:rpm/opensuse/htmldoc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/systemd&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/systemd&distro=openSUSE%20Tumbleweed pkg:rpm/suse/htmldoc&distro=SUSE%20Package%20Hub%2015%20SP3 pkg:rpm/suse/systemd&distro=SUSE%20Linux%20Enterprise%20Micro%205.1 pkg:rpm/suse/systemd&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3
< 1.9.12-bp153.2.6.1+ 5 more
- (no CPE)range: < 1.9.12-bp153.2.6.1
- (no CPE)range: < 246.16-7.33.1
- (no CPE)range: < 249.7-3.1
- (no CPE)range: < 1.9.12-bp153.2.6.1
- (no CPE)range: < 246.16-7.33.1
- (no CPE)range: < 246.16-7.33.1

Patches

Vulnerability mechanics

References

security.gentoo.org/glsa/202305-15mitrevendor-advisory
access.redhat.com/security/cve/CVE-2021-3997mitre
bugzilla.redhat.com/show_bug.cgimitre
github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1mitre
www.openwall.com/lists/oss-security/2022/01/10/2mitre

News mentions

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