CVE-2026-64425

kernel: io_uring/io-wq: re-check IO_WQ_BIT_EXIT for each linked work item

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · July 25, 2026

Updated · July 29, 2026

Description

A flaw was found in the Linux kernel's io_uring subsystem. This vulnerability allows linked work items to continue executing even after a system exit process has begun. This can lead to a denial of service by prolonging the exit sequence and potentially consuming system resources unexpectedly.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-1050 · Excessive Platform Resource Consumption within a Loop