{"id":"CVE-2026-90267","title":"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","summary":"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 sc…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87 < 5d7d1b8b525e5eff33a01d07dfcf7bdd3b6d790d","Linux >= 81d926e8b5520e38f1f72dd7bb7cfc81c1a69d87 < bb31844d88b77138b67aa20c3600203baff40140","Linux 4.12"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:23.250","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90267","references":[{"url":"https://git.kernel.org/stable/c/5d7d1b8b525e5eff33a01d07dfcf7bdd3b6d790d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bb31844d88b77138b67aa20c3600203baff40140","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.839Z","epss":0.00155,"epssPercentile":0.05074,"slug":"CVE-2026-90267","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}