{"id":"CVE-2026-68380","summary":"accel/amdxdna: Fix use-after-free of mm_struct in job scheduler","details":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix use-after-free of mm_struct in job scheduler\n\namdxdna_cmd_submit() stores current-\u003emm in job-\u003emm without holding any\nreference. aie2_sched_job_run() later access job-\u003emm from the DRM\nscheduler worker thread. With only a raw pointer and no structural\nreference, the mm_struct can be freed before the scheduler runs the job.\n\nFix this by calling mmgrab() to hold a structural mm_count reference for\nthe lifetime of the job, paired with mmdrop() in every cleanup path.","modified":"2026-08-12T04:18:48.122003330Z","published":"2026-08-10T12:03:58.536Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68380.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/6875ee2bef48f5d9f045d81a8a4d68893f768a8a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e8fadbffc19a233d1eedebfb8df0f522d1388280"},{"type":"WEB","url":"https://git.kernel.org/stable/c/faebb7ba1ac65fa5810b640df02ce04e509fdc11"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68380.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68380"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"aac243092b707bb3018e951d470cc1a9bcbaba6c"},{"fixed":"6875ee2bef48f5d9f045d81a8a4d68893f768a8a"},{"fixed":"e8fadbffc19a233d1eedebfb8df0f522d1388280"},{"fixed":"faebb7ba1ac65fa5810b640df02ce04e509fdc11"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68380.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.14.0"},{"fixed":"6.18.42"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68380.json"}}],"schema_version":"1.9.0"}