CVE-2021-3669

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

A flaw was found in the Linux kernel. Measuring usage of the shared memory does not scale with large shared memory segment counts which could lead to resource exhaustion and DoS.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400 CWE-770

Affected software

Vendor	Product	Versions
n/a	kernel	Not Known

References

https://access.redhat.com/security/cve/CVE-2021-3669Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1980619Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1986473Issue Tracking, Permissions Required
https://security-tracker.debian.org/tracker/CVE-2021-3669Issue Tracking, Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-3669Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1980619Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1986473Issue Tracking, Permissions Required
https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
https://security-tracker.debian.org/tracker/CVE-2021-3669Issue Tracking, Third Party Advisory

Timeline

Published: Aug 26, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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