GHSA-QRRX-C987-2PV5

Vulnerability from github – Published: 2025-10-14 21:30 – Updated: 2025-10-14 21:30
VLAI?
Details

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

dm ioctl: prevent potential spectre v1 gadget

It appears like cmd could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec.

Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2022-49122"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T07:00:49Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm ioctl: prevent potential spectre v1 gadget\n\nIt appears like cmd could be a Spectre v1 gadget as it\u0027s supplied by a\nuser and used as an array index. Prevent the contents of kernel memory\nfrom being leaked to userspace via speculative execution by using\narray_index_nospec.",
  "id": "GHSA-qrrx-c987-2pv5",
  "modified": "2025-10-14T21:30:25Z",
  "published": "2025-10-14T21:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49122"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/02cc46f397eb3691c56affbd5073e54f7a82ac32"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0320bac5801b31407200227173205d017488f140"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/44e6cb3ab177faae840bb2c1ebda9a2539876184"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/58880025e3362024f6d8ea01cb0c7a5df6c84ba6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/71c8df33fd777c7628f6fbc09b14e84806c55914"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/76c94651005f58885facf9c973007f5ea01ab01f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7ae2c5b89da3cfaf856df880af27d3bb32a74b3d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cd9c88da171a62c4b0f1c70e50c75845969fbc18"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dd86064417de828ff2102ddc6049c829bf7585b4"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.