GHSA-7HPP-5Q55-M9QP

Vulnerability from github – Published: 2026-05-01 15:30 – Updated: 2026-05-03 09:33
VLAI?
Details

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

HID: multitouch: Check to ensure report responses match the request

It is possible for a malicious (or clumsy) device to respond to a specific report's feature request using a completely different report ID. This can cause confusion in the HID core resulting in nasty side-effects such as OOB writes.

Add a check to ensure that the report ID in the response, matches the one that was requested. If it doesn't, omit reporting the raw event and return early.

Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2026-43047"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-01T15:16:51Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: multitouch: Check to ensure report responses match the request\n\nIt is possible for a malicious (or clumsy) device to respond to a\nspecific report\u0027s feature request using a completely different report\nID.  This can cause confusion in the HID core resulting in nasty\nside-effects such as OOB writes.\n\nAdd a check to ensure that the report ID in the response, matches the\none that was requested.  If it doesn\u0027t, omit reporting the raw event and\nreturn early.",
  "id": "GHSA-7hpp-5q55-m9qp",
  "modified": "2026-05-03T09:33:11Z",
  "published": "2026-05-01T15:30:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43047"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2edc92f89eee328b5be5706b5d431bf90669e9c0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/516da3f25cfe18643835af1cf09b0e9ffc36c383"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6a4acd3e86fe5584050c213d95147eba33856033"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/74c6015375d8b9bc1b1eb79f20636c8e894bcad7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7f66fdbc077faed3b52519228d21d81979e92249"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a61163daf8a90b4a7ef154d5fc9c525f665734e3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c7a27bb4d0f6573ca0f9c7ef0b63291486239190"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e716edafedad4952fe3a4a273d2e039a84e8681a"
    }
  ],
  "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"
    }
  ]
}


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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

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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.



Detection rules are retrieved from Rulezet.