{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74373","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-15T05:44:03.889Z","datePublished":"2026-08-15T05:58:52.990Z","dateUpdated":"2026-08-17T05:18:09.508Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T05:18:09.508Z"},"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid1.c","drivers/md/raid10.c"],"versions":[{"version":"bb2a9acefaf9ce5bbc1e70f407e34599233d0243","lessThan":"bb8d7ea74206b419aa05d7773a15a923b668c9f0","status":"affected","versionType":"git"},{"version":"bb2a9acefaf9ce5bbc1e70f407e34599233d0243","lessThan":"ba976e3501111d11c550848b3b7341a73035f582","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid1.c","drivers/md/raid10.c"],"versions":[{"version":"6.6","status":"affected"},{"version":"0","lessThan":"6.6","status":"unaffected","versionType":"semver"},{"version":"7.1.5","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.2"}]}]}],"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"}}}}