{"id":"CVE-2026-89998","published":"2026-09-16T11:17:11.060","lastModified":"2026-09-17T10:17:05.657","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.","cvssScore":7.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/00ad6f9ed27f91925d4d3fb7aab50a60d774f998","tags":[]},{"url":"https://git.kernel.org/stable/c/0ea6e5ad4a5817e91f11b4cc1e022e575ed2e7ca","tags":[]},{"url":"https://git.kernel.org/stable/c/5380c7f6335cc6d77eb77d065105e81155c4d9d3","tags":[]},{"url":"https://git.kernel.org/stable/c/a1af1884c960b98c621b6fe2fea1216b78c02152","tags":[]},{"url":"https://git.kernel.org/stable/c/af1f32ccf8051f4691ced11feb452b9d13561727","tags":[]},{"url":"https://git.kernel.org/stable/c/b02e35b81176c7d61dd441cc7a2e5c324a82444b","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"The vulnerability allows a race condition when loading and unloading a table in the Linux kernel, leading to potential access of invalid memory.","exploitability":"Exploitation requires concurrent table load ioctls, making it moderately difficult. Precondition is the presence of two concurrent ioctls calls.","blast_radius":"If exploited, it could lead to a denial of service or potentially more severe consequences depending on the context.","remediation":"Upgrade to the latest kernel version 6.2.10 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["kernel","race-condition","memory-access"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-07T08:45:36.655Z"}}