ghsa-mj94-g7gv-r97m
Vulnerability from github
Published
2025-09-18 18:30
Modified
2025-09-18 18:30
Details

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

fbdev: fbcon: release buffer when fbcon_do_set_font() failed

syzbot is reporting memory leak at fbcon_do_set_font() [1], for commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when vc_resize() failed") missed that the buffer might be newly allocated by fbcon_set_font().

Show details on source website

To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2022-50404"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-18T16:15:43Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: fbcon: release buffer when fbcon_do_set_font() failed\n\nsyzbot is reporting memory leak at fbcon_do_set_font() [1], for\ncommit a5a923038d70 (\"fbdev: fbcon: Properly revert changes when\nvc_resize() failed\") missed that the buffer might be newly allocated\nby fbcon_set_font().",
  "id": "GHSA-mj94-g7gv-r97m",
  "modified": "2025-09-18T18:30:26Z",
  "published": "2025-09-18T18:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50404"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.