GHSA-3F2P-FCXQ-W4CM

Vulnerability from github – Published: 2024-05-21 18:31 – Updated: 2025-09-23 21:30
VLAI
Details

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

media: gspca: cpia1: shift-out-of-bounds in set_flicker

Syzkaller reported the following issue: UBSAN: shift-out-of-bounds in drivers/media/usb/gspca/cpia1.c:1031:27 shift exponent 245 is too large for 32-bit type 'int'

When the value of the variable "sd->params.exposure.gain" exceeds the number of bits in an integer, a shift-out-of-bounds error is reported. It is triggered because the variable "currentexp" cannot be left-shifted by more than the number of bits in an integer. In order to avoid invalid range during left-shift, the conditional expression is added.

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2023-52764"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-21T16:15:15Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: gspca: cpia1: shift-out-of-bounds in set_flicker\n\nSyzkaller reported the following issue:\nUBSAN: shift-out-of-bounds in drivers/media/usb/gspca/cpia1.c:1031:27\nshift exponent 245 is too large for 32-bit type \u0027int\u0027\n\nWhen the value of the variable \"sd-\u003eparams.exposure.gain\" exceeds the\nnumber of bits in an integer, a shift-out-of-bounds error is reported. It\nis triggered because the variable \"currentexp\" cannot be left-shifted by\nmore than the number of bits in an integer. In order to avoid invalid\nrange during left-shift, the conditional expression is added.",
  "id": "GHSA-3f2p-fcxq-w4cm",
  "modified": "2025-09-23T21:30:53Z",
  "published": "2024-05-21T18:31:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52764"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/099be1822d1f095433f4b08af9cc9d6308ec1953"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/09cd8b561aa9796903710a1046957f2b112c8f26"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2eee8edfff90e22980a6b22079d238c3c9d323bb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/69bba62600bd91d6b7c1e8ca181faf8ac64f7060"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8f83c85ee88225319c52680792320c02158c2a9b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/93bddd6529f187f510eec759f37d0569243c9809"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a647f27a7426d2fe1b40da7c8fa2b81354a51177"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c6b6b8692218da73b33b310d7c1df90f115bdd9a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e2d7149b913d14352c82624e723ce1c211ca06d3"
    }
  ],
  "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"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.