ghsa-6hr7-2c35-r8xm
Vulnerability from github
Published
2024-11-08 06:30
Modified
2025-11-04 00:31
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

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

fbdev: sisfb: Fix strbuf array overflow

The values of the variables xres and yres are placed in strbuf. These variables are obtained from strbuf1. The strbuf1 array contains digit characters and a space if the array contains non-digit characters. Then, when executing sprintf(strbuf, "%ux%ux8", xres, yres); more than 16 bytes will be written to strbuf. It is suggested to increase the size of the strbuf array to 24.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-50180"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-11-08T06:15:15Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: sisfb: Fix strbuf array overflow\n\nThe values of the variables xres and yres are placed in strbuf.\nThese variables are obtained from strbuf1.\nThe strbuf1 array contains digit characters\nand a space if the array contains non-digit characters.\nThen, when executing sprintf(strbuf, \"%ux%ux8\", xres, yres);\nmore than 16 bytes will be written to strbuf.\nIt is suggested to increase the size of the strbuf array to 24.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.",
  "id": "GHSA-6hr7-2c35-r8xm",
  "modified": "2025-11-04T00:31:57Z",
  "published": "2024-11-08T06:30:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-50180"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/11c0d49093b82f6c547fd419c41a982d26bdf5ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/252f147b1826cbb30ae0304cf86b66d3bb12b743"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/41cf6f26abe4f491b694c54bd1aa2530369b7510"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/433c84c8495008922534c5cafdae6ff970fb3241"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/57c4f4db0a194416da237fd09dad9527e00cb587"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/688872c4ea4a528cd6a057d545c83506b533ee1f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/889304120ecb2ca30674d89cd4ef15990b6a571c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9cf14f5a2746c19455ce9cb44341b5527b5e19c3"
    },
    {
      "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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