A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2021-08-05T19:54:42

Updated: 2024-08-03T17:01:08.334Z

Reserved: 2021-08-03T00:00:00

Link: CVE-2021-3679

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-08-05T20:15:09.627

Modified: 2022-10-27T12:29:42.397

Link: CVE-2021-3679

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-07-20T09:00:00Z

Links: CVE-2021-3679 - Bugzilla