ghsa-w44h-95m4-q297
Vulnerability from github
Published
2024-09-18 09:30
Modified
2024-09-20 21:31
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

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

uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind

For primary VM Bus channels, primary_channel pointer is always NULL. This pointer is valid only for the secondary channels. Also, rescind callback is meant for primary channels only.

Fix NULL pointer dereference by retrieving the device_obj from the parent for the primary channel.

Show details on source website

To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2024-46739"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-09-18T08:15:03Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nuio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind\n\nFor primary VM Bus channels, primary_channel pointer is always NULL. This\npointer is valid only for the secondary channels. Also, rescind callback\nis meant for primary channels only.\n\nFix NULL pointer dereference by retrieving the device_obj from the parent\nfor the primary channel.",
  "id": "GHSA-w44h-95m4-q297",
  "modified": "2024-09-20T21:31:38Z",
  "published": "2024-09-18T09:30:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-46739"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1d8e020e51ab07e40f9dd00b52f1da7d96fec04c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2be373469be1774bbe03b0fa7e2854e65005b1cc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3005091cd537ef8cdb7530dcb2ecfba8d2ef475c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d414b64ecf6fd717d7510ffb893c6f23acbf50e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/928e399e84f4e80307dce44e89415115c473275b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/de6946be9c8bc7d2279123433495af7c21011b99"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f38f46da80a2ab7d1b2f8fcb444c916034a2dac4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb1adbd7e50f3d2de56d0a2bb0700e2e819a329e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.