{"identifier":"CVE-2026-98814","cve":{"id":"CVE-2026-98814","description":"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.","published":"2026-10-18T16:17:35.540000+00:00","modified":"2026-10-19T10:19:45.467000+00:00","status":"Received","score":null,"severity":"UNSCORED","vector":"","cvss_version":"","affected":[],"weaknesses":[],"references":[{"url":"https://git.kernel.org/stable/c/351d1c47e45b2b35780d0548b1012d7242ba298d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/72ece656abd4de8645a421fb482d7a11e6533a45","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"kev":null,"kev_checked":true,"metrics":{},"configurations":[],"source":"nvd","retrieved_at":"2026-10-28T10:23:31.343335+00:00","exploited":false,"kev_stale":false,"products":[],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00162,"percentile":0.05399,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"git.kernel.org","source_url":"https://git.kernel.org/stable/c/351d1c47e45b2b35780d0548b1012d7242ba298d","investigate_url":"https://investigate.aeglixmind.com/#git.kernel.org"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-98814","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-98814","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-98814","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}