CVE Vulnerability

CVE-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.

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://access.redhat.com/security/cve/CVE-2021-3997 Issue Tracking Third Party Advisory
https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1 Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2024639 Issue Tracking Patch
https://www.openwall.com/lists/oss-security/2022/01/10/2 Exploit Mailing List
Configurations

Configuration 1

cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2022-08-23 08:15

Updated : 2022-10-18 07:01

NVD link : CVE-2021-3997

Mitre link : CVE-2021-3997

Products Affected
No products.
CWE
CWE-674

Uncontrolled Recursion