{"id":"CVE-2026-89998","revision":"d99c2adb0b8248a399d688b5af52415f","records":[{"revision":"d99c2adb0b8248a399d688b5af52415f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89998","aliases":[],"title":"dm: fix race when loading and unloading a table","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm: fix race when loading and unloading a table\n\nIf the userspace calls two concurrent table load ioctls and one of them\nsucceeds and the other fails, there is a race condition because\ndm_setup_md_queue walks &md->table_devices without any lock. If the walk\nraces with dm_table_destroy -> free_devices -> dm_put_table_device, there\nis access to invalid memory.\n\nFix this race by extending the lock over the list walk.","state":0,"publishedAt":"2026-09-16T10:33:10.012+00:00","modifiedAt":"2026-10-19T08:56:12.25+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/md/dm.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"773bfda35c9511734d7f898e2ee73cd60d2a3f38\",\n                            \"lessThan\": \"b02e35b81176c7d61dd441cc7a2e5c324a82444b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1a581b72169968f4154b5793828f3bc28b258b35\",\n                            \"lessThan\": \"0ea6e5ad4a5817e91f11b4cc1e022e575ed2e7ca\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1a581b72169968f4154b5793828f3bc28b258b35\",\n                            \"lessThan\": \"a1af1884c960b98c621b6fe2fea1216b78c02152\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1a581b72169968f4154b5793828f3bc28b258b35\",\n                            \"lessThan\": \"af1f32ccf8051f4691ced11feb452b9d13561727\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1a581b72169968f4154b5793828f3bc28b258b35\",\n                            \"lessThan\": \"00ad6f9ed27f91925d4d3fb7aab50a60d774f998\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"1a581b72169968f4154b5793828f3bc28b258b35\",\n                            \"lessThan\": \"5380c7f6335cc6d77eb77d065105e81155c4d9d3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"600593707c239bb99486925d65540a5020bc1e58\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6.1.2\",\n                            \"lessThan\": \"6.1.188\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.0.16\",\n                            \"lessThan\": \"6.1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\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/md/dm.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.51\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.5\",\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":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/b02e35b81176c7d61dd441cc7a2e5c324a82444b","https://git.kernel.org/stable/c/0ea6e5ad4a5817e91f11b4cc1e022e575ed2e7ca","https://git.kernel.org/stable/c/a1af1884c960b98c621b6fe2fea1216b78c02152","https://git.kernel.org/stable/c/af1f32ccf8051f4691ced11feb452b9d13561727","https://git.kernel.org/stable/c/00ad6f9ed27f91925d4d3fb7aab50a60d774f998","https://git.kernel.org/stable/c/5380c7f6335cc6d77eb77d065105e81155c4d9d3"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89998","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89998","identifiers":["CVE-2026-89998"]},"retained":false,"historicalAffected":[]}],"coverage":[]}