CVEvulnerability
CVE-2021-3669
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-08-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-400, CWE-770
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.
Affected configurations
• linux linux kernel
• ibm spectrum copy data management (>= 2.2.0.0 <= 2.2.15.0)
• ibm spectrum protect plus (>= 10.1.0 <= 10.1.10.2)
• debian debian linux 10.0
• debian debian linux 11.0
• fedoraproject fedora 34
• redhat build of quarkus (>= 2.0 < 2.7)
• redhat developer tools 1.0
• redhat enterprise linux 6.0
• redhat enterprise linux 7.0
• redhat enterprise linux 8.0
• redhat enterprise linux aus 8.6
• redhat enterprise linux for ibm z systems 8.0
• redhat enterprise linux for ibm z systems eus 8.6
• redhat enterprise linux for power little endian 8.0
• redhat enterprise linux for power little endian eus 8.6
• redhat enterprise linux for real time 8
• redhat enterprise linux for real time for nfv 8
• redhat enterprise linux for real time for nfv tus 8.6
• redhat enterprise linux for real time tus 8.6
• redhat enterprise linux server aus 8.6
• redhat enterprise linux server for power little endian update services for sap solutions 8.6
• redhat enterprise linux server tus 8.6
• redhat codeready linux builder
• redhat openshift container platform 4.6
• redhat openshift container platform 4.7
• redhat openshift container platform 4.9
• redhat virtualization host 4.0
Related
References
- https://access.redhat.com/security/cve/CVE-2021-3669 Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1980619 Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1986473 Issue Tracking, Permissions Required
- https://security-tracker.debian.org/tracker/CVE-2021-3669 Issue Tracking, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3669 Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1980619 Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1986473 Issue Tracking, Permissions Required
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html lists.debian.org
- https://security-tracker.debian.org/tracker/CVE-2021-3669 Issue Tracking, Third Party Advisory