CVE-2021-3669 - AskarLabs CVE Database

CVE-2021-3669

Vendor N/A

Product kernel

Weakness CWE-400

Published August 26, 2022

Last update November 3, 2025

View on NVD All CVEs

CVSS base score

—

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 26, 2022 CVE published

November 3, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-3669 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/400.html

Related vulnerabilities

04Related CVE

CVE-2020-26289 Regular expression Denial of Service in date-and-time CVE-2018-15377 Cisco IOS and IOS XE Software Plug and Play Agent Memory Leak Vulnerability CVE-2026-42212 SolidCAM-GPPL-IDE: XML External Entity (XXE) and billion-laughs DoS in VMID parser CVE-2023-40594 Denial of Service (DoS) via the ‘printf’ Search Function CVE-2025-66453 Rhino vulnerable high CPU usage and potential DoS when passing specific numbers to toFixed() function