{"id":"CVE-2026-98814","revision":"f6e356c78d9b4110bc5fa60c4e895444","records":[{"revision":"f6e356c78d9b4110bc5fa60c4e895444","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98814","aliases":[],"title":"nvme: fix command effects log lifetime for multipath heads","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.","state":0,"publishedAt":"2026-10-18T15:49:01.538+00:00","modifiedAt":"2026-10-19T09:26:07.427+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/nvme/host/core.c\",\n                        \"drivers/nvme/host/nvme.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"be93e87e780253780df9bb6ecc9bc1199b0d94c3\",\n                            \"lessThan\": \"351d1c47e45b2b35780d0548b1012d7242ba298d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"be93e87e780253780df9bb6ecc9bc1199b0d94c3\",\n                            \"lessThan\": \"72ece656abd4de8645a421fb482d7a11e6533a45\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/nvme/host/core.c\",\n                        \"drivers/nvme/host/nvme.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.10\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/351d1c47e45b2b35780d0548b1012d7242ba298d","https://git.kernel.org/stable/c/72ece656abd4de8645a421fb482d7a11e6533a45"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98814","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98814","identifiers":["CVE-2026-98814"]},"retained":false,"historicalAffected":[]}],"coverage":[]}