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Vulnerability Intelligence

CVE-2021-3669 | Mondoo Vulnerability Intelligence

CVE-2021-3669

MEDIUM5.5

A flaw was found in the Linux kernel

Published Aug 26, 2022

Modified 2 months ago

No fix available

Details

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.

References

WEBhttps://access.redhat.com/security/cve/CVE-2021-3669 WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=1980619 WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=1986473 WEBhttps://lists.debian.org/debian-lts-announce/2024/10/msg00003.html WEBhttps://security-tracker.debian.org/tracker/CVE-2021-3669 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2021-3669

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Weakness Type (CWE)

Resource Management

Resource Exhaustion

Ecosystems

Timeline

PublishedAug 26, 2022

ModifiedNov 3, 2025