media: amphion: Fix race between m2m job_abort and device_run_CVE-2026-46058

{
    "lastseen": "",
    "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",
    "published": "2026-05-27T12:57:17.853Z",
    "modified": "2026-05-30T10:47:08.836Z",
    "type": "cve",
    "title": "media: amphion: Fix race between m2m job_abort and device_run",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/42dc622776f3ce1a6c31b13bdc686f7295e3b323\nhttps://git.kernel.org/stable/c/da4f46c5cf1d26e6b09418ad453e152f2e75a02c\nhttps://git.kernel.org/stable/c/fdc150dac1adb9a98be9d6956cff0348838b024a\nhttps://git.kernel.org/stable/c/6be2cb75bc1300080cfc8051579f22efae9401f7\nhttps://git.kernel.org/stable/c/8cd35ceadcfc8c5da2eb7f7ce24525ce9d4ee62e",
    "id": "CVE-2026-46058",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux 3cd084519c6f91cbef9d604bcf26844fa81d4922\nLinux Linux 3cd084519c6f91cbef9d604bcf26844fa81d4922\nLinux Linux 3cd084519c6f91cbef9d604bcf26844fa81d4922\nLinux Linux 3cd084519c6f91cbef9d604bcf26844fa81d4922\nLinux Linux 3cd084519c6f91cbef9d604bcf26844fa81d4922\nLinux Linux 5.18",
    "sourceHref": "",
    "cvss": {
        "score": 7.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
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            "attackVector": "",
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            "privilegesRequired": "",
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            "confidentialityImpact": "",
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            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Linux",
    "version": "3cd084519c6f91cbef9d604bcf26844fa81d4922",
    "vendor": "Linux",
    "ai_description": "",
    "ai_severity": "",
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    "ai_score": 0
}