{
  "cveId": "CVE-2022-49496",
  "url": "https://patchblox.com/security/cve/CVE-2022-49496",
  "summary": "CVE-2022-49496 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49496, released February 26, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  media: mediatek: vcodec: prevent kernel crash wh...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko  If the driver support subdev mode, the parameter \u0022dev-\u003Epm.dev\u0022 will be NULL in mtk_vcodec_dec_remove. Kernel will crash when try to rmmod mtk-vcodec-dec.ko.  [ 4380.702726] pc : do_raw_spin_trylock\u002B0x4/0x80 [ 4380.707075] lr : _raw_spin_lock_irq\u002B0x90/0x14c [ 4380.711509] sp : ffff80000819bc10 [ 4380.714811] x29: ffff80000819bc10 x28: ffff3600c03e4000 x27: 0000000000000000 [ 4380.721934] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 [ 4380.729057] x23: ffff3600c0f34930 x22: ffffd5e923549000 x21: 0000000000000220 [ 4380.736179] x20: 0000000000000208 x19: ffffd5e9213e8ebc x18: 0000000000000020 [ 4380.743298] x17: 0000002000000000 x16: ffffd5e9213e8e90 x15: 696c346f65646976 [ 4380.750420] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000040 [ 4380.757542] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 [ 4380.764664] x8 : 0000000000000000 x7 : ffff3600c7273ae8 x6 : ffffd5e9213e8ebc [ 4380.771786] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 4380.778908] x2 : 0000000000000000 x1 : ffff3600c03e4000 x0 : 0000000000000208 [ 4380.786031] Call trace: [ 4380.788465]  do_raw_spin_trylock\u002B0x4/0x80 [ 4380.792462]  __pm_runtime_disable\u002B0x2c/0x1b0 [ 4380.796723]  mtk_vcodec_dec_remove\u002B0x5c/0xa0 [mtk_vcodec_dec] [ 4380.802466]  platform_remove\u002B0x2c/0x60 [ 4380.806204]  __device_release_driver\u002B0x194/0x250 [ 4380.810810]  driver_detach\u002B0xc8/0x15c [ 4380.814462]  bus_remove_driver\u002B0x5c/0xb0 [ 4380.818375]  driver_unregister\u002B0x34/0x64 [ 4380.822288]  platform_driver_unregister\u002B0x18/0x24 [ 4380.826979]  mtk_vcodec_dec_driver_exit\u002B0x1c/0x888 [mtk_vcodec_dec] [ 4380.833240]  __arm64_sys_delete_module\u002B0x190/0x224 [ 4380.838020]  invoke_syscall\u002B0x48/0x114 [ 4380.841760]  el0_svc_common.constprop.0\u002B0x60/0x11c [ 4380.846540]  do_el0_svc\u002B0x28/0x90 [ 4380.849844]  el0_svc\u002B0x4c/0x100 [ 4380.852975]  el0t_64_sync_handler\u002B0xec/0xf0 [ 4380.857148]  el0t_64_sync\u002B0x190/0x194 [ 4380.860801] Code: 94431515 17ffffca d503201f d503245f (b9400004)",
  "published": "2025-02-26T07:01:25Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00169,
  "epssPercentile": 0.06354,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49496",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49496",
      "released": "2025-02-26T07:01:25Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49496",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49496",
      "released": "2025-02-26T07:01:25Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49496",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49496",
      "released": "2025-02-26T07:01:25Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}