{"api_version":"1","generated_at":"2026-06-02T09:03:20+00:00","cve":"CVE-2026-46058","urls":{"html":"https://cve.report/CVE-2026-46058","api":"https://cve.report/api/cve/CVE-2026-46058.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46058","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46058"},"summary":{"title":"media: amphion: Fix race between m2m job_abort and device_run","description":"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)  <- frees ctx\n    device_run()  <- 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","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-27 14:17:25","updated_at":"2026-06-01 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46058","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3cd084519c6f91cbef9d604bcf26844fa81d4922 516467052fdfc6a13eadc70d43420ae57436bf3c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3cd084519c6f91cbef9d604bcf26844fa81d4922 42dc622776f3ce1a6c31b13bdc686f7295e3b323 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3cd084519c6f91cbef9d604bcf26844fa81d4922 da4f46c5cf1d26e6b09418ad453e152f2e75a02c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3cd084519c6f91cbef9d604bcf26844fa81d4922 fdc150dac1adb9a98be9d6956cff0348838b024a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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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)  <- frees ctx\n    device_run()  <- 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"}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-06-01T16:17:49.199Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/516467052fdfc6a13eadc70d43420ae57436bf3c"},{"url":"https://git.kernel.org/stable/c/42dc622776f3ce1a6c31b13bdc686f7295e3b323"},{"url":"https://git.kernel.org/stable/c/da4f46c5cf1d26e6b09418ad453e152f2e75a02c"},{"url":"https://git.kernel.org/stable/c/fdc150dac1adb9a98be9d6956cff0348838b024a"},{"url":"https://git.kernel.org/stable/c/6be2cb75bc1300080cfc8051579f22efae9401f7"},{"url":"https://git.kernel.org/stable/c/8cd35ceadcfc8c5da2eb7f7ce24525ce9d4ee62e"}],"title":"media: amphion: Fix race between m2m job_abort and device_run","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46058","datePublished":"2026-05-27T12:57:17.853Z","dateReserved":"2026-05-13T15:03:33.095Z","dateUpdated":"2026-06-01T16:17:49.199Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-27 14:17:25","lastModifiedDate":"2026-06-01 17:17:21","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46058","Ordinal":"1","Title":"media: amphion: Fix race between m2m job_abort and device_run","CVE":"CVE-2026-46058","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46058","Ordinal":"1","NoteData":"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)  <- frees ctx\n    device_run()  <- 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","Type":"Description","Title":"media: amphion: Fix race between m2m job_abort and device_run"}]}}}