GHSA-G5HV-6PVX-45RJ

Vulnerability from github – Published: 2025-12-24 15:30 – Updated: 2025-12-24 15:30
VLAI?
Details

In the Linux kernel, the following vulnerability has been resolved:

media: camss: Clean up received buffers on failed start of streaming

It is required to return the received buffers, if streaming can not be started. For instance media_pipeline_start() may fail with EPIPE, if a link validation between entities is not passed, and in such a case a user gets a kernel warning:

WARNING: CPU: 1 PID: 520 at drivers/media/common/videobuf2/videobuf2-core.c:1592 vb2_start_streaming+0xec/0x160 Call trace: vb2_start_streaming+0xec/0x160 vb2_core_streamon+0x9c/0x1a0 vb2_ioctl_streamon+0x68/0xbc v4l_streamon+0x30/0x3c __video_do_ioctl+0x184/0x3e0 video_usercopy+0x37c/0x7b0 video_ioctl2+0x24/0x40 v4l2_ioctl+0x4c/0x70

The fix is to correct the error path in video_start_streaming() of camss.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2022-50757"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-24T13:16:02Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: camss: Clean up received buffers on failed start of streaming\n\nIt is required to return the received buffers, if streaming can not be\nstarted. For instance media_pipeline_start() may fail with EPIPE, if\na link validation between entities is not passed, and in such a case\na user gets a kernel warning:\n\n  WARNING: CPU: 1 PID: 520 at drivers/media/common/videobuf2/videobuf2-core.c:1592 vb2_start_streaming+0xec/0x160\n  \u003csnip\u003e\n  Call trace:\n   vb2_start_streaming+0xec/0x160\n   vb2_core_streamon+0x9c/0x1a0\n   vb2_ioctl_streamon+0x68/0xbc\n   v4l_streamon+0x30/0x3c\n   __video_do_ioctl+0x184/0x3e0\n   video_usercopy+0x37c/0x7b0\n   video_ioctl2+0x24/0x40\n   v4l2_ioctl+0x4c/0x70\n\nThe fix is to correct the error path in video_start_streaming() of camss.",
  "id": "GHSA-g5hv-6pvx-45rj",
  "modified": "2025-12-24T15:30:34Z",
  "published": "2025-12-24T15:30:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50757"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/04c734c716a97f1493b1edac41316aaed1d2a9d9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/24df4fa3e795fb4b15fd4d3c036596e0978d265a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d5cab726e3b370fea1b6e67183f0e13c409ce5c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/75954cde8a5ca84003b24b6bf83197240935bd74"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c8f3582345e6a69da65ab588f7c4c2d1685b0e80"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d1c44928bb3ca0ec88e7ad5937a2a26a259aede6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f05326a440dc31b91b688b2f3f15b7347894a50b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fe443b3fe36cd23d4f5dc6d825d34322e7c89f0c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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