{"id":"CVE-2024-50081","state":"PUBLISHED","title":"blk-mq: setup queue ->tag_set before initializing hctx","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nblk-mq: setup queue ->tag_set before initializing hctx\n\nCommit 7b815817aa58 (\"blk-mq: add helper for checking if one CPU is mapped to specified hctx\")\nneeds to check queue mapping via tag set in hctx's cpuhp handler.\n\nHowever, q->tag_set may not be setup yet when the cpuhp handler is\nenabled, then kernel oops is triggered.\n\nFix the issue by setup queue tag_set before initializing hctx.","publishedAt":"2024-10-29T00:50:23.608Z","updatedAt":"2026-05-11T20:45:04.241Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ff2d6ef107b1b1ec6b469073b4dda0dc744e343c","status":"affected","lessThan":"73d964ce4bc8b4de88a7c2e40df494f0d5cd8950","versionType":"git"},{"version":"dbd0829d2458d7292b82bfc9d02cce23935b198f","status":"affected","lessThan":"25466e5b4bb11a8415ce8d0be89ab77135f7e444","versionType":"git"},{"version":"7b815817aa58d2e2101feb2fcf64c60cae0b2695","status":"affected","lessThan":"d28b256db525d9432bc3eb2c8d83f7d3f5e1cc87","versionType":"git"},{"version":"7b815817aa58d2e2101feb2fcf64c60cae0b2695","status":"affected","lessThan":"c25c0c9035bb8b28c844dfddeda7b8bdbcfcae95","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["block/blk-mq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"6.11.5","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["block/blk-mq.c"]}],"references":["https://git.kernel.org/stable/c/73d964ce4bc8b4de88a7c2e40df494f0d5cd8950","https://git.kernel.org/stable/c/25466e5b4bb11a8415ce8d0be89ab77135f7e444","https://git.kernel.org/stable/c/d28b256db525d9432bc3eb2c8d83f7d3f5e1cc87","https://git.kernel.org/stable/c/c25c0c9035bb8b28c844dfddeda7b8bdbcfcae95"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/50xxx/CVE-2024-50081.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-50081","state":"PUBLISHED","datePublished":"2024-10-29T00:50:23.608Z","dateUpdated":"2026-05-11T20:45:04.241Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-10-21T19:36:19.941Z"},"containers":{"cna":{"title":"blk-mq: setup queue ->tag_set before initializing hctx","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nblk-mq: setup queue ->tag_set before initializing hctx\n\nCommit 7b815817aa58 (\"blk-mq: add helper for checking if one CPU is mapped to specified hctx\")\nneeds to check queue mapping via tag set in hctx's cpuhp handler.\n\nHowever, q->tag_set may not be setup yet when the cpuhp handler is\nenabled, then kernel oops is triggered.\n\nFix the issue by setup queue tag_set before initializing hctx."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ff2d6ef107b1b1ec6b469073b4dda0dc744e343c","status":"affected","lessThan":"73d964ce4bc8b4de88a7c2e40df494f0d5cd8950","versionType":"git"},{"version":"dbd0829d2458d7292b82bfc9d02cce23935b198f","status":"affected","lessThan":"25466e5b4bb11a8415ce8d0be89ab77135f7e444","versionType":"git"},{"version":"7b815817aa58d2e2101feb2fcf64c60cae0b2695","status":"affected","lessThan":"d28b256db525d9432bc3eb2c8d83f7d3f5e1cc87","versionType":"git"},{"version":"7b815817aa58d2e2101feb2fcf64c60cae0b2695","status":"affected","lessThan":"c25c0c9035bb8b28c844dfddeda7b8bdbcfcae95","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["block/blk-mq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"6.11.5","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["block/blk-mq.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/73d964ce4bc8b4de88a7c2e40df494f0d5cd8950"},{"url":"https://git.kernel.org/stable/c/25466e5b4bb11a8415ce8d0be89ab77135f7e444"},{"url":"https://git.kernel.org/stable/c/d28b256db525d9432bc3eb2c8d83f7d3f5e1cc87"},{"url":"https://git.kernel.org/stable/c/c25c0c9035bb8b28c844dfddeda7b8bdbcfcae95"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:45:04.241Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.11.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2024-50081","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T20:23:15.472621Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T20:27:20.539Z"}}]}}}