ghsa-3x3q-3c9j-4x72
Vulnerability from github
Published
2025-05-01 15:31
Modified
2025-05-01 15:31
Details

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

Input: iforce - invert valid length check when fetching device IDs

syzbot is reporting uninitialized value at iforce_init_device() [1], for commit 6ac0aec6b0a6 ("Input: iforce - allow callers supply data buffer when fetching device IDs") is checking that valid length is shorter than bytes to read. Since iforce_get_id_packet() stores valid length when returning 0, the caller needs to check that valid length is longer than or equals to bytes to read.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49790"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T15:16:02Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: iforce - invert valid length check when fetching device IDs\n\nsyzbot is reporting uninitialized value at iforce_init_device() [1], for\ncommit 6ac0aec6b0a6 (\"Input: iforce - allow callers supply data buffer\nwhen fetching device IDs\") is checking that valid length is shorter than\nbytes to read. Since iforce_get_id_packet() stores valid length when\nreturning 0, the caller needs to check that valid length is longer than or\nequals to bytes to read.",
  "id": "GHSA-3x3q-3c9j-4x72",
  "modified": "2025-05-01T15:31:47Z",
  "published": "2025-05-01T15:31:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49790"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/24cc679abbf31477d0cc6106ec83c2fbae6b3cdf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5d53797ce7ce8fb1d95a5bebc5efa9418c4217a3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6365569d62a75ddf53fb0c2936c16587a365984c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b8ebf250997c5fb253582f42bfe98673801ebebd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fdd57c20d4408cac3c3c535c120d244e083406c9"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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