CVE-2021-3669

moderate-risk
Published 2022-08-26

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.

Do I need to act?

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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (20)

Spectrum Copy Data Management
Developer Tools

Affected Vendors

Ibm Debian Redhat Linux Fedoraproject

References (9)

Issue Tracking https://access.redhat.com/security/cve/CVE-2021-3669
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1980619
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1986473
Issue Tracking https://security-tracker.debian.org/tracker/CVE-2021-3669
Issue Tracking https://access.redhat.com/security/cve/CVE-2021-3669
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1980619
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1986473
https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
Issue Tracking https://security-tracker.debian.org/tracker/CVE-2021-3669
40
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 22/34 · High