{"id":"CVE-2026-74376","revision":null,"records":[{"revision":"e2813bd2ae29455eafce85c6426664cf","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74376","aliases":[],"title":"md/raid10: reset read_slot when reusing r10bio for discard","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: reset read_slot when reusing r10bio for discard\n\nput_all_bios() always drops devs[i].bio, but it only drops\ndevs[i].repl_bio when r10_bio->read_slot < 0. If discard reuses an\nr10bio that was previously used for a read, read_slot can still be\nnon-negative, and discard cleanup can skip bio_put() on repl_bio.\n\nReset read_slot to -1 when preparing an r10bio for discard so the\nreplacement bio is always released correctly.","state":0,"publishedAt":"2026-08-15T05:58:55.023+00:00","modifiedAt":"2026-10-16T18:55:36.173+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/raid10.c\"\n ],\n \"versions\": [\n {\n \"version\": \"d30588b2731fb01e1616cf16c3fe79a1443e29aa\",\n \"lessThan\": \"3cb2a606ce4902eceabe68338df0653312f861f8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d30588b2731fb01e1616cf16c3fe79a1443e29aa\",\n \"lessThan\": \"561c9711e4f545d6464a023168bdee03b00fa945\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d30588b2731fb01e1616cf16c3fe79a1443e29aa\",\n \"lessThan\": \"ce3030e92f14362880055de5fe3c258971118853\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d30588b2731fb01e1616cf16c3fe79a1443e29aa\",\n \"lessThan\": \"742e4afd247d9c972695227716b03d432a7e1d26\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d30588b2731fb01e1616cf16c3fe79a1443e29aa\",\n \"lessThan\": \"b7313f23ea5a79b199a007bfad64a866cc2c22e7\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d30588b2731fb01e1616cf16c3fe79a1443e29aa\",\n \"lessThan\": \"eb04e3e9c14ed15914f5fd2eae8b6435f54f095f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d30588b2731fb01e1616cf16c3fe79a1443e29aa\",\n \"lessThan\": \"6b8a26af065ddc93de2aa5c9f0df98dce9723442\",\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/raid10.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.13\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.13\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.212\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.178\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.145\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.97\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.40\",\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":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://git.kernel.org/stable/c/3cb2a606ce4902eceabe68338df0653312f861f8","https://git.kernel.org/stable/c/561c9711e4f545d6464a023168bdee03b00fa945","https://git.kernel.org/stable/c/ce3030e92f14362880055de5fe3c258971118853","https://git.kernel.org/stable/c/742e4afd247d9c972695227716b03d432a7e1d26","https://git.kernel.org/stable/c/b7313f23ea5a79b199a007bfad64a866cc2c22e7","https://git.kernel.org/stable/c/eb04e3e9c14ed15914f5fd2eae8b6435f54f095f","https://git.kernel.org/stable/c/6b8a26af065ddc93de2aa5c9f0df98dce9723442"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74376","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74376","identifiers":["CVE-2026-74376"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-09T08:02:26.2193293+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T08:02:26.2193293+00:00","lastSuccessAt":"2026-11-09T08:02:26.3910394+00:00","error":null,"lastVerifiedAt":"2026-11-09T08:02:26.3910397+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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