{"cve":"CVE-2026-74375","nvd":{"published":"2026-08-15T06:22:39.277","modified":"2026-10-21T13:19:43.443","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid1,raid10: fix deadlock in read error recovery path\n\nraid1d and raid10d may resubmit a split md cloned bio while handling\na read error. In this case, resubmitting the bio can lead to a deadlock\nif the array is suspended before md_handle_request() acquires an\nactive_io reference via percpu_ref_tryget_live().\n\nSince the cloned bio already holds an active_io reference,\ntrying to acquire another reference via percpu_ref_tryget_live()\ncan lead to a deadlock while the array is suspended.\n\nFix this by using percpu_ref_get() for md cloned bios.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/0889242775340e2c5b69b1590bd71335dd4fdeda","https://git.kernel.org/stable/c/38777f014c37972868f1733a651c85288bb8a757","https://git.kernel.org/stable/c/7b15c24f805339a585cfe7d72f446b7e88b9bcc0","https://git.kernel.org/stable/c/923a6f3172a362d6b2ff12386e376e0e47188f78","https://git.kernel.org/stable/c/ea2d1d2ebf60b70b602a92261a567d5fc4575eab"],"products":[],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-74375","score":0.00168,"percentile":0.06029,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}