{"id":"CVE-2026-46058","summary":"media: amphion: Fix race between m2m job_abort and device_run","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":"2026-06-18T03:55:34.841198378Z","published":"2026-05-27T12:57:17.853Z","related":["openSUSE-SU-2026:10954-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46058.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/42dc622776f3ce1a6c31b13bdc686f7295e3b323"},{"type":"WEB","url":"https://git.kernel.org/stable/c/516467052fdfc6a13eadc70d43420ae57436bf3c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6be2cb75bc1300080cfc8051579f22efae9401f7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8cd35ceadcfc8c5da2eb7f7ce24525ce9d4ee62e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/da4f46c5cf1d26e6b09418ad453e152f2e75a02c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fdc150dac1adb9a98be9d6956cff0348838b024a"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46058.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46058"},{"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":"3cd084519c6f91cbef9d604bcf26844fa81d4922"},{"fixed":"516467052fdfc6a13eadc70d43420ae57436bf3c"},{"fixed":"42dc622776f3ce1a6c31b13bdc686f7295e3b323"},{"fixed":"da4f46c5cf1d26e6b09418ad453e152f2e75a02c"},{"fixed":"fdc150dac1adb9a98be9d6956cff0348838b024a"},{"fixed":"6be2cb75bc1300080cfc8051579f22efae9401f7"},{"fixed":"8cd35ceadcfc8c5da2eb7f7ce24525ce9d4ee62e"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46058.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.18.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.140"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.86"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.27"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46058.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}