ghsa-8963-6x33-4w7x
Vulnerability from github
Published
2024-04-10 21:30
Modified
2025-01-13 21:30
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:

ALSA: gus: fix null pointer dereference on pointer block

The pointer block return from snd_gf1_dma_next_block could be null, so there is a potential null pointer dereference issue. Fix this by adding a null check before dereference.

Show details on source website

To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2021-47207"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-04-10T19:15:48Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: gus: fix null pointer dereference on pointer block\n\nThe pointer block return from snd_gf1_dma_next_block could be\nnull, so there is a potential null pointer dereference issue.\nFix this by adding a null check before dereference.",
  "id": "GHSA-8963-6x33-4w7x",
  "modified": "2025-01-13T21:30:47Z",
  "published": "2024-04-10T21:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47207"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/16721797dcef2c7c030ffe73a07f39a65f9323c3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1ac6cd87d8ddd36c43620f82c4d65b058f725f0f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3e28e083dcdf03a18a083f8a47b6bb6b1604b5be"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/542fa721594a02d2aee0370a764d306ef48d030c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a0d21bb3279476c777434c40d969ea88ca64f9aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ab4c1ebc40f699f48346f634d7b72b9c5193f315"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c6d2cefdd05c4810c416fb8d384b5c377bd977bc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cb09c760c201f82df83babc92a5ffea0a01807fc"
    }
  ],
  "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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.