ghsa-fm29-2487-rchf
Vulnerability from github
Published
2025-05-20 18:30
Modified
2025-05-20 18:30
Details

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

objtool, media: dib8000: Prevent divide-by-zero in dib8000_set_dds()

If dib8000_set_dds()'s call to dib8000_read32() returns zero, the result is a divide-by-zero. Prevent that from happening.

Fixes the following warning with an UBSAN kernel:

drivers/media/dvb-frontends/dib8000.o: warning: objtool: dib8000_tune() falls through to next function dib8096p_cfg_DibRx()

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{
  "affected": [],
  "aliases": [
    "CVE-2025-37937"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-20T16:15:30Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nobjtool, media: dib8000: Prevent divide-by-zero in dib8000_set_dds()\n\nIf dib8000_set_dds()\u0027s call to dib8000_read32() returns zero, the result\nis a divide-by-zero.  Prevent that from happening.\n\nFixes the following warning with an UBSAN kernel:\n\n  drivers/media/dvb-frontends/dib8000.o: warning: objtool: dib8000_tune() falls through to next function dib8096p_cfg_DibRx()",
  "id": "GHSA-fm29-2487-rchf",
  "modified": "2025-05-20T18:30:55Z",
  "published": "2025-05-20T18:30:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37937"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/536f7f3595ef8187cfa9ea50d7d24fcf4e84e166"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6cfe46036b163e5a0f07c6b705b518148e1a8b2f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/75b42dfe87657ede3da3f279bd6b1b16d69af954"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/976a85782246a29ba0f6d411a7a4f524cb9ea987"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b76b198cf209797abcb1314c18ddeb90fe0827b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b9249da6b0ed56269d4f21850df8e5b35dab50bd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c8430e72b99936c206b37a8e2daebb3f8df7f2d8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cd80277f652138d2619f149f86ae6d17bce721d1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e63d465f59011dede0a0f1d21718b59a64c3ff5c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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