CVE Database›Document archive›CVE-2024-43853

CVE-2024-43853

kernel: cgroup/cpuset: Prevent UAF in proc_cpuset_show()

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Severity

Moderate

Red Hat Product Security

4.7

CVSS 3.1

Review impact separately from score.

Published · August 17, 2024

Updated · October 29, 2026

Description

A use-after-free (UAF) flaw was found in the proc_cpuset_show() function. This issue can allow an attacker to access the css of the root caused by a race condition when the cgroup_root should be freed when it is unmounted from the resource.

Statement

The cpuset resource can only impact the availability of the system by skipping limitations from the CPU and causing a Denial of Service attack.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is available for this issue other than updating the affected package to the version containing the fix.

CVSS / CWE

CVSS 3.1 · 4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-416 · Use After Free