CVE-2026-45955 (GCVE-0-2026-45955)
Vulnerability from cvelistv5
Published
2026-05-27 12:18
Modified
2026-10-19 19:26
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: fix percpu_ref not resurrected on suspend timeout When llbitmap_suspend_timeout() times out waiting for percpu_ref to become zero, it returns -ETIMEDOUT without resurrecting the percpu_ref. The caller (md_llbitmap_daemon_fn) then continues to the next page without calling llbitmap_resume(), leaving the percpu_ref in a killed state permanently. Fix this by resurrecting the percpu_ref before returning the error, ensuring the page control structure remains usable for subsequent operations.
References
Impacted products
Vendor Product Version
Linux Linux Version: 5ab829f1971dc99f2aac10846c378e67fc875abc
Version: 5ab829f1971dc99f2aac10846c378e67fc875abc
Version: 5ab829f1971dc99f2aac10846c378e67fc875abc
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