{"id":"CVE-2026-90267","state":"PUBLISHED","title":"scsi: sd: Fix special_vec mempool leak when scsi_alloc_sgtables() fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: sd: Fix special_vec mempool leak when scsi_alloc_sgtables() fails\n\nsd_set_special_bvec() allocates a special payload page for UNMAP and\nWRITE SAME commands. If scsi_alloc_sgtables() fails afterward in\nsd_setup_unmap_cmnd() or sd_setup_write_same{10,16}_cmnd(), the SCSI\nmidlayer does not call uninit_command() because RQF_DONTPREP is not set\nyet, leaking the page.\n\nCall sd_uninit_command() on error, and clear RQF_SPECIAL_PAYLOAD after\nfreeing the page.","publishedAt":"2026-09-17T16:08:02.624Z","updatedAt":"2026-10-30T12:35:01.469Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87","status":"affected","lessThan":"05bc68669549bfddfdeef2fd119855cab3e9615a","versionType":"git"},{"version":"81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87","status":"affected","lessThan":"710a2448a06a8215ba8acb4a2791954800f7db0a","versionType":"git"},{"version":"81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87","status":"affected","lessThan":"744a65e113094756e6c1cfba9ff1bf4247cb68d4","versionType":"git"},{"version":"81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87","status":"affected","lessThan":"e90f746f4ca3896ca560e820b7b6b0a467026938","versionType":"git"},{"version":"81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87","status":"affected","lessThan":"5d7d1b8b525e5eff33a01d07dfcf7bdd3b6d790d","versionType":"git"},{"version":"81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87","status":"affected","lessThan":"bb31844d88b77138b67aa20c3600203baff40140","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/sd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.12","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/sd.c"]}],"references":["https://git.kernel.org/stable/c/05bc68669549bfddfdeef2fd119855cab3e9615a","https://git.kernel.org/stable/c/710a2448a06a8215ba8acb4a2791954800f7db0a","https://git.kernel.org/stable/c/744a65e113094756e6c1cfba9ff1bf4247cb68d4","https://git.kernel.org/stable/c/e90f746f4ca3896ca560e820b7b6b0a467026938","https://git.kernel.org/stable/c/5d7d1b8b525e5eff33a01d07dfcf7bdd3b6d790d","https://git.kernel.org/stable/c/bb31844d88b77138b67aa20c3600203baff40140"],"weaknesses":[],"ingestedAt":"2026-10-30T12:54:04.478Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90267.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90267","state":"PUBLISHED","datePublished":"2026-09-17T16:08:02.624Z","dateUpdated":"2026-10-30T12:35:01.469Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.796Z"},"containers":{"cna":{"title":"scsi: sd: Fix special_vec mempool leak when scsi_alloc_sgtables() fails","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: sd: Fix special_vec mempool leak when scsi_alloc_sgtables() fails\n\nsd_set_special_bvec() allocates a special payload page for UNMAP and\nWRITE SAME commands. If scsi_alloc_sgtables() fails afterward in\nsd_setup_unmap_cmnd() or sd_setup_write_same{10,16}_cmnd(), the SCSI\nmidlayer does not call uninit_command() because RQF_DONTPREP is not set\nyet, leaking the page.\n\nCall sd_uninit_command() on error, and clear RQF_SPECIAL_PAYLOAD after\nfreeing the page."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87","status":"affected","lessThan":"05bc68669549bfddfdeef2fd119855cab3e9615a","versionType":"git"},{"version":"81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87","status":"affected","lessThan":"710a2448a06a8215ba8acb4a2791954800f7db0a","versionType":"git"},{"version":"81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87","status":"affected","lessThan":"744a65e113094756e6c1cfba9ff1bf4247cb68d4","versionType":"git"},{"version":"81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87","status":"affected","lessThan":"e90f746f4ca3896ca560e820b7b6b0a467026938","versionType":"git"},{"version":"81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87","status":"affected","lessThan":"5d7d1b8b525e5eff33a01d07dfcf7bdd3b6d790d","versionType":"git"},{"version":"81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87","status":"affected","lessThan":"bb31844d88b77138b67aa20c3600203baff40140","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/sd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.12","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/sd.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/05bc68669549bfddfdeef2fd119855cab3e9615a"},{"url":"https://git.kernel.org/stable/c/710a2448a06a8215ba8acb4a2791954800f7db0a"},{"url":"https://git.kernel.org/stable/c/744a65e113094756e6c1cfba9ff1bf4247cb68d4"},{"url":"https://git.kernel.org/stable/c/e90f746f4ca3896ca560e820b7b6b0a467026938"},{"url":"https://git.kernel.org/stable/c/5d7d1b8b525e5eff33a01d07dfcf7bdd3b6d790d"},{"url":"https://git.kernel.org/stable/c/bb31844d88b77138b67aa20c3600203baff40140"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:35:01.469Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}