ghsa-h53v-ff66-979g
Vulnerability from github
Published
2025-03-18 21:31
Modified
2025-09-29 12:30
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:

media: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com

On the case tmp_dcim=1, the index of buffer is miscalculated. This generate a NULL pointer dereference later.

So let's fix the calcul and add a check to prevent this to reappear.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47645"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T06:37:06Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com\n\nOn the case tmp_dcim=1, the index of buffer is miscalculated.\nThis generate a NULL pointer dereference later.\n\nSo let\u0027s fix the calcul and add a check to prevent this to reappear.",
  "id": "GHSA-h53v-ff66-979g",
  "modified": "2025-09-29T12:30:26Z",
  "published": "2025-03-18T21:31:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47645"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/20811bbe685ca3eddd34b0c750860427d7030910"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/20db2ed1e2f9fcd417fa67853e5154f0c2537d6c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7e76f3ed7ab2ae026c6ef9cc23096a7554af8c52"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8dce4b265a5357731058f69645840dabc718c687"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bafec1a6ba4b187a7fcdcfce0faebdc623d4ef8e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e3b86f4e558cea9eed71d894df2f19b10d60a207"
    }
  ],
  "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"
    }
  ]
}


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