{"api_version":"1","generated_at":"2026-08-15T08:45:36+00:00","cve":"CVE-2026-74373","urls":{"html":"https://cve.report/CVE-2026-74373","api":"https://cve.report/api/cve/CVE-2026-74373.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74373","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74373"},"summary":{"title":"md/raid1,raid10: fix bio accounting for split md cloned bios","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid1,raid10: fix bio accounting for split md cloned bios\n\nUse md_cloned_bio() to control bio accounting instead of relying\non r1bio_existed in raid1 or the io_accounting flag in raid10.\n\nThe previous logic does not reliably reflect whether a bio is an\nmd cloned bio. When a failed bio is split and resubmitted via\nbio_submit_split_bioset() on the error path, this can lead to either\ndouble accounting for md cloned bios, or missing accounting for bios\nreturned from bio_submit_split_bioset()\n\nFix this by using md_cloned_bio() to detect md cloned bios and\nskip accounting accordingly.","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/ba976e3501111d11c550848b3b7341a73035f582","name":"https://git.kernel.org/stable/c/ba976e3501111d11c550848b3b7341a73035f582","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bb8d7ea74206b419aa05d7773a15a923b668c9f0","name":"https://git.kernel.org/stable/c/bb8d7ea74206b419aa05d7773a15a923b668c9f0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74373","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74373","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bb2a9acefaf9ce5bbc1e70f407e34599233d0243 bb8d7ea74206b419aa05d7773a15a923b668c9f0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bb2a9acefaf9ce5bbc1e70f407e34599233d0243 ba976e3501111d11c550848b3b7341a73035f582 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/raid1.c","drivers/md/raid10.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bb8d7ea74206b419aa05d7773a15a923b668c9f0","status":"affected","version":"bb2a9acefaf9ce5bbc1e70f407e34599233d0243","versionType":"git"},{"lessThan":"ba976e3501111d11c550848b3b7341a73035f582","status":"affected","version":"bb2a9acefaf9ce5bbc1e70f407e34599233d0243","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/md/raid1.c","drivers/md/raid10.c"],"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 bio accounting for split md cloned bios\n\nUse md_cloned_bio() to control bio accounting instead of relying\non r1bio_existed in raid1 or the io_accounting flag in raid10.\n\nThe previous logic does not reliably reflect whether a bio is an\nmd cloned bio. When a failed bio is split and resubmitted via\nbio_submit_split_bioset() on the error path, this can lead to either\ndouble accounting for md cloned bios, or missing accounting for bios\nreturned from bio_submit_split_bioset()\n\nFix this by using md_cloned_bio() to detect md cloned bios and\nskip accounting accordingly."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:58:52.990Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/bb8d7ea74206b419aa05d7773a15a923b668c9f0"},{"url":"https://git.kernel.org/stable/c/ba976e3501111d11c550848b3b7341a73035f582"}],"title":"md/raid1,raid10: fix bio accounting for split md cloned bios","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74373","datePublished":"2026-08-15T05:58:52.990Z","dateReserved":"2026-08-15T05:44:03.889Z","dateUpdated":"2026-08-15T05:58:52.990Z","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":"74373","Ordinal":"1","Title":"md/raid1,raid10: fix bio accounting for split md cloned bios","CVE":"CVE-2026-74373","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74373","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid1,raid10: fix bio accounting for split md cloned bios\n\nUse md_cloned_bio() to control bio accounting instead of relying\non r1bio_existed in raid1 or the io_accounting flag in raid10.\n\nThe previous logic does not reliably reflect whether a bio is an\nmd cloned bio. When a failed bio is split and resubmitted via\nbio_submit_split_bioset() on the error path, this can lead to either\ndouble accounting for md cloned bios, or missing accounting for bios\nreturned from bio_submit_split_bioset()\n\nFix this by using md_cloned_bio() to detect md cloned bios and\nskip accounting accordingly.","Type":"Description","Title":"md/raid1,raid10: fix bio accounting for split md cloned bios"}]}}}