Allocation of Resources Without Limits or Throttling Affecting kernel-debug-modules-extra package, versions <0:4.18.0-372.9.1.el8
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Test your applications- Snyk ID SNYK-ROCKY8-KERNELDEBUGMODULESEXTRA-3192408
- published 5 Jan 2023
- disclosed 26 Aug 2022
Introduced: 26 Aug 2022
CVE-2021-3669 Open this link in a new tabHow to fix?
Upgrade Rocky-Linux:8 kernel-debug-modules-extra to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RLSA-2022:1988.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-modules-extra package and not the kernel-debug-modules-extra package as distributed by Rocky-Linux.
See How to fix? for Rocky-Linux:8 relevant fixed versions and status.
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
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3669
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3669.json
- https://access.redhat.com/errata/RHSA-2022:1975
- https://access.redhat.com/errata/RHSA-2022:1988
- https://access.redhat.com/security/cve/CVE-2021-3669
- https://bugzilla.redhat.com/show_bug.cgi?id=1980619
- https://security-tracker.debian.org/tracker/CVE-2021-3669
- https://bugzilla.redhat.com/show_bug.cgi?id=1986473