GHSA-JF37-JM23-C22C

Vulnerability from github – Published: 2024-10-21 12:30 – Updated: 2025-11-04 00:31
VLAI
Details

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

drivers: media: dvb-frontends/rtl2832: fix an out-of-bounds write error

Ensure index in rtl2832_pid_filter does not exceed 31 to prevent out-of-bounds access.

dev->filters is a 32-bit value, so set_bit and clear_bit functions should only operate on indices from 0 to 31. If index is 32, it will attempt to access a non-existent 33rd bit, leading to out-of-bounds access. Change the boundary check from index > 32 to index >= 32 to resolve this issue.

[hverkuil: added fixes tag, rtl2830_pid_filter -> rtl2832_pid_filter in logmsg]

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2024-47698"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-10-21T12:15:06Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers: media: dvb-frontends/rtl2832: fix an out-of-bounds write error\n\nEnsure index in rtl2832_pid_filter does not exceed 31 to prevent\nout-of-bounds access.\n\ndev-\u003efilters is a 32-bit value, so set_bit and clear_bit functions should\nonly operate on indices from 0 to 31. If index is 32, it will attempt to\naccess a non-existent 33rd bit, leading to out-of-bounds access.\nChange the boundary check from index \u003e 32 to index \u003e= 32 to resolve this\nissue.\n\n[hverkuil: added fixes tag, rtl2830_pid_filter -\u003e rtl2832_pid_filter in logmsg]",
  "id": "GHSA-jf37-jm23-c22c",
  "modified": "2025-11-04T00:31:37Z",
  "published": "2024-10-21T12:30:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-47698"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/15bea004e939d938a6771dfcf2a26cc899ffd20a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/49b33c38d202d3327dcfd058e27f541dcc308b92"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/527ab3eb3b0b4a6ee00e183c1de6a730239e2835"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/66dbe0df6eccc7ee53a2c35016ce81e13b3ff447"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6ae3b9aee42616ee93c4585174f40c767828006d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7065c05c6d58b9b9a98127aa14e9a5ec68173918"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8ae06f360cfaca2b88b98ca89144548b3186aab1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a879b6cdd48134a3d58949ea4f075c75fa2d7d71"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bedd42e07988dbdd124b23e758ffef7a681b9c60"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}



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