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.

CVSS v3.0 5.5 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

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 Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/01/10/2	Exploit Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:34:::::::*
	cpe:2.3:o:fedoraproject:fedora:35:::::::*

Configuration 3 (hide)

OR	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 13:15

Updated : 2022-10-18 12:01

NVD link : CVE-2021-3997

Mitre link : CVE-2021-3997

JSON object : View

CWE

CWE-674

Uncontrolled Recursion

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Products Affected

redhat

enterprise_linux

systemd_project

systemd

fedoraproject

fedora

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