CVE-2026-74375md/raid1,raid10: fix deadlock in read error recovery path
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: md/raid1,raid10: fix deadlock in read error recovery path raid1d and raid10d may resubmit a split md cloned bio while handling a read error. In this case, resubmitting the bio can lead to a deadlock if the array is suspended before md_handle_request() acquires an active_io reference via percpu_ref_tryget_live(). Since the cloned bio already holds an active_io reference, trying to acquire another reference via percpu_ref_tryget_live() can lead to a deadlock while the array is suspended. Fix this by using percpu_ref_get() for md cloned bios.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from bb2a9acefaf9ce5bbc1e70f407e34599233d0243 before ea2d1d2ebf60b70b602a92261a567d5fc4575eab; from bb2a9acefaf9ce5bbc1e70f407e34599233d0243 before 38777f014c37972868f1733a651c85288bb8a757; from bb2a9acefaf9ce5bbc1e70f407e34599233d0243 before 7b15c24f805339a585cfe7d72f446b7e88b9bcc0 | CNA record |
References
- https://git.kernel.org/stable/c/ea2d1d2ebf60b70b602a92261a567d5fc4575eab
- https://git.kernel.org/stable/c/38777f014c37972868f1733a651c85288bb8a757
- https://git.kernel.org/stable/c/7b15c24f805339a585cfe7d72f446b7e88b9bcc0
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.