CVE-2026-89764
kernel: rust: devres: fix race between concurrent revokers
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 11, 2026
Updated · September 29, 2026
Description
A flaw was found in the Linux kernel's rust: devres component. A race condition exists when two processes attempt to revoke a Devres resource concurrently. This can lead to a use-after-free vulnerability, where one process might free resources that another process is still actively using. Such an issue could result in system instability or unexpected behavior.
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 specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-825 · Expired Pointer Dereference