CVE-2026-64509

kernel: rust: block: fix GenDisk cleanup paths

Loading…

Severity

Unknown

Red Hat Product Security

—

CVSS

Review impact separately from score.

Published · July 25, 2026

Updated · July 28, 2026

Description

A flaw was found in the Linux kernel's rust: block module. This vulnerability occurs in the GenDisk cleanup paths, where temporary disk and request queue resources may not be properly released during error handling or after unregistration. This can lead to a resource leak, potentially causing system instability or a denial of service (DoS) due to resource exhaustion.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-772 · Missing Release of Resource after Effective Lifetime