{"schema":"threatline.record/2","record":{"id":"CVE-2026-98814","aliases":[],"summary":"nvme: fix command effects log lifetime for multipath heads","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme: fix command effects log lifetime for multipath heads\n\nKASAN reported a use-after-free when an I/O passthrough command was sent\nthrough a multipath namespace head after the controller path that first\ncreated the head had been removed:\n\n  BUG: KASAN: slab-use-after-free in nvme_command_effects+0x192/0x200 [nvme_core]\n  Read of size 4 at addr ffff888141b14400 by task nvme/19811\n  nvme_command_effects+0x192/0x200 [nvme_core]\n  nvme_cmd_allowed+0x7e/0x1b0 [nvme_core]\n  nvme_user_cmd.constprop.0+0x1b5/0x450 [nvme_core]\n  nvme_ns_head_chr_ioctl+0xf4/0x2a0 [nvme_core]\n\nMove the log cache to the subsystem, with one entry per command set. Both\ncontrollers and namespace heads hold subsystem references, keeping their\nlog pointers valid until subsystem release.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98814","source_modified_at":"2026-10-19T09:26:07.427Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"be93e87e780253780df9bb6ecc9bc1199b0d94c3","lessThan":"351d1c47e45b2b35780d0548b1012d7242ba298d","status":"affected","versionType":"git"},{"version":"be93e87e780253780df9bb6ecc9bc1199b0d94c3","lessThan":"72ece656abd4de8645a421fb482d7a11e6533a45","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98814","source_modified_at":"2026-10-19T09:26:07.427Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"5.9","status":"affected"},{"version":"0","lessThan":"5.9","status":"unaffected","versionType":"semver"},{"version":"7.2.10","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98814","source_modified_at":"2026-10-19T09:26:07.427Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"351d1c47e45b2b35780d0548b1012d7242ba298d","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98814","source_modified_at":"2026-10-19T09:26:07.427Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"72ece656abd4de8645a421fb482d7a11e6533a45","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00162,"percentile":0.05096,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:49:01.538Z","modified_at":"2026-10-19T09:26:07.427Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98814","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:26:07.427Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98814","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/351d1c47e45b2b35780d0548b1012d7242ba298d"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/72ece656abd4de8645a421fb482d7a11e6533a45"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:26:07.427Z","content_hash":"b9edd60aa0416d0fcb0d90358a4b53818a617682ecae26900e43d8124a593ef2"}}