Allocation of Resources Without Limits or Throttling Affecting perf package, versions <0:4.18.0-372.9.1.el8
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-PERF-4254826
- published 2 Aug 2021
- disclosed 2 Aug 2021
Introduced: 2 Aug 2021
CVE-2021-3669 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RHSA-2022:1988.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by RHEL.
See How to fix? for RHEL: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.
CVSS Scores
version 3.1