{"id":"AZL-88719","summary":"CVE-2026-46058 affecting package kernel for versions less than 6.6.141.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: amphion: Fix race between m2m job_abort and device_run\n\nFix kernel panic caused by race condition where v4l2_m2m_ctx_release()\nfrees m2m_ctx while v4l2_m2m_try_run() is about to call device_run\nwith the same context.\n\nRace sequence:\n  v4l2_m2m_try_run():           v4l2_m2m_ctx_release():\n    lock/unlock                   v4l2_m2m_cancel_job()\n                                    job_abort()\n                                      v4l2_m2m_job_finish()\n                                  kfree(m2m_ctx)  \u003c- frees ctx\n    device_run()  \u003c- use-after-free crash at 0x538\n\nCrash trace:\n  Unable to handle kernel read from unreadable memory at virtual address\n  0000000000000538\n  v4l2_m2m_try_run+0x78/0x138\n  v4l2_m2m_device_run_work+0x14/0x20\n\nThe amphion vpu driver does not rely on the m2m framework's device_run\ncallback to perform encode/decode operations.\n\nFix the race by preventing m2m framework job scheduling entirely:\n- Add job_ready callback returning 0 (no jobs ready for m2m framework)\n- Remove job_abort callback to avoid the race condition","modified":"2026-08-28T17:47:44.555625730Z","published":"2026-05-27T14:17:25Z","upstream":["CVE-2026-46058"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46058"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.141.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-88719.json"}}],"schema_version":"1.9.0"}