{"id":"CVE-2026-74375","revision":"7fd673ea60954e3a9acff81a72db5bbd","records":[{"revision":"7fd673ea60954e3a9acff81a72db5bbd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74375","aliases":[],"title":"md/raid1,raid10: fix deadlock in read error recovery path","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.","state":0,"publishedAt":"2026-08-15T05:58:54.335+00:00","modifiedAt":"2026-10-21T12:45:32.765+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/md/md.c\",\n                        \"drivers/md/md.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"bb2a9acefaf9ce5bbc1e70f407e34599233d0243\",\n                            \"lessThan\": \"923a6f3172a362d6b2ff12386e376e0e47188f78\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bb2a9acefaf9ce5bbc1e70f407e34599233d0243\",\n                            \"lessThan\": \"0889242775340e2c5b69b1590bd71335dd4fdeda\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bb2a9acefaf9ce5bbc1e70f407e34599233d0243\",\n                            \"lessThan\": \"ea2d1d2ebf60b70b602a92261a567d5fc4575eab\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bb2a9acefaf9ce5bbc1e70f407e34599233d0243\",\n                            \"lessThan\": \"38777f014c37972868f1733a651c85288bb8a757\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bb2a9acefaf9ce5bbc1e70f407e34599233d0243\",\n                            \"lessThan\": \"7b15c24f805339a585cfe7d72f446b7e88b9bcc0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/md/md.c\",\n                        \"drivers/md/md.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.6\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.6\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.114\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.57\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/923a6f3172a362d6b2ff12386e376e0e47188f78","https://git.kernel.org/stable/c/0889242775340e2c5b69b1590bd71335dd4fdeda","https://git.kernel.org/stable/c/ea2d1d2ebf60b70b602a92261a567d5fc4575eab","https://git.kernel.org/stable/c/38777f014c37972868f1733a651c85288bb8a757","https://git.kernel.org/stable/c/7b15c24f805339a585cfe7d72f446b7e88b9bcc0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74375","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74375","identifiers":["CVE-2026-74375"]},"retained":false,"historicalAffected":[]}],"coverage":[]}