{"id":"CVE-2026-89998","title":"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 c…","summary":"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 c…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b02e35b81176c7d61dd441cc7a2e5c324a82444b","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0ea6e5ad4a5817e91f11b4cc1e022e575ed2e7ca","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a1af1884c960b98c621b6fe2fea1216b78c02152","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < af1f32ccf8051f4691ced11feb452b9d13561727","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 00ad6f9ed27f91925d4d3fb7aab50a60d774f998","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5380c7f6335cc6d77eb77d065105e81155c4d9d3","Linux < 6.1.188","Linux < 6.6.157","Linux < 6.12.110","Linux < 6.18.51","Linux < 7.2.5","Linux (all versions)"],"published":"2026-09-16","updated":"2026-09-17","sourceUpdated":"2026-09-17T10:17:05.657","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89998","references":[{"url":"https://git.kernel.org/stable/c/00ad6f9ed27f91925d4d3fb7aab50a60d774f998","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0ea6e5ad4a5817e91f11b4cc1e022e575ed2e7ca","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5380c7f6335cc6d77eb77d065105e81155c4d9d3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a1af1884c960b98c621b6fe2fea1216b78c02152","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/af1f32ccf8051f4691ced11feb452b9d13561727","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b02e35b81176c7d61dd441cc7a2e5c324a82444b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.945Z","epss":0.00164,"epssPercentile":0.06023,"slug":"CVE-2026-89998","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":205049,"id":"CVE-2026-89998","ts":1789570704949,"field":"cvss","old":null,"new":"7.8"},{"seq":205048,"id":"CVE-2026-89998","ts":1789570704949,"field":"severity","old":"none","new":"high"}]}