CVE-2026-72440 (GCVE-0-2026-72440)
Vulnerability from cvelistv5
Published
2026-08-15 05:56
Modified
2026-10-21 12:44
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: md/raid1: fix writes_pending and barrier reference leaks on write failures raid1_make_request() acquires a writes_pending reference with md_write_start() before calling raid1_write_request(). Several failure paths in raid1_write_request() complete the bio and return without reaching the normal write completion path, causing the corresponding md_write_end() to be skipped. Make raid1_write_request() return a status indicating whether the write request was successfully queued. This allows raid1_make_request() to call md_write_end() when raid1_write_request() fails. Additionally, if wait_blocked_rdev() fails after wait_barrier() succeeds, the associated barrier reference is not released. Call allow_barrier() before returning from that path to keep the barrier accounting balanced.
References
Impacted products
Vendor Product Version
Linux Linux Version: 5aa705039c4fca84575539bfa2b8a28454a3d2ca
Version: 5aa705039c4fca84575539bfa2b8a28454a3d2ca
Version: 5aa705039c4fca84575539bfa2b8a28454a3d2ca
Version: 5aa705039c4fca84575539bfa2b8a28454a3d2ca
Version: 5aa705039c4fca84575539bfa2b8a28454a3d2ca
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