{"api_version":"1","generated_at":"2026-08-15T08:46:04+00:00","cve":"CVE-2026-74375","urls":{"html":"https://cve.report/CVE-2026-74375","api":"https://cve.report/api/cve/CVE-2026-74375.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74375","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74375"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:39","updated_at":"2026-08-15 06:22:39"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/7b15c24f805339a585cfe7d72f446b7e88b9bcc0","name":"https://git.kernel.org/stable/c/7b15c24f805339a585cfe7d72f446b7e88b9bcc0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/38777f014c37972868f1733a651c85288bb8a757","name":"https://git.kernel.org/stable/c/38777f014c37972868f1733a651c85288bb8a757","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74375","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74375","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bb2a9acefaf9ce5bbc1e70f407e34599233d0243 38777f014c37972868f1733a651c85288bb8a757 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bb2a9acefaf9ce5bbc1e70f407e34599233d0243 7b15c24f805339a585cfe7d72f446b7e88b9bcc0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/md/md.c","drivers/md/md.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"38777f014c37972868f1733a651c85288bb8a757","status":"affected","version":"bb2a9acefaf9ce5bbc1e70f407e34599233d0243","versionType":"git"},{"lessThan":"7b15c24f805339a585cfe7d72f446b7e88b9bcc0","status":"affected","version":"bb2a9acefaf9ce5bbc1e70f407e34599233d0243","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/md/md.c","drivers/md/md.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.6"},{"lessThan":"6.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"6.6","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:58:54.335Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/38777f014c37972868f1733a651c85288bb8a757"},{"url":"https://git.kernel.org/stable/c/7b15c24f805339a585cfe7d72f446b7e88b9bcc0"}],"title":"md/raid1,raid10: fix deadlock in read error recovery path","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74375","datePublished":"2026-08-15T05:58:54.335Z","dateReserved":"2026-08-15T05:44:03.889Z","dateUpdated":"2026-08-15T05:58:54.335Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:39","lastModifiedDate":"2026-08-15 06:22:39","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74375","Ordinal":"1","Title":"md/raid1,raid10: fix deadlock in read error recovery path","CVE":"CVE-2026-74375","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74375","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"md/raid1,raid10: fix deadlock in read error recovery path"}]}}}