GHSA-GGGW-8CQ2-45CP

Vulnerability from github – Published: 2026-04-24 15:32 – Updated: 2026-06-01 18:31
VLAI
Details

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

usb: gadget: renesas_usb3: validate endpoint index in standard request handlers

The GET_STATUS and SET/CLEAR_FEATURE handlers extract the endpoint number from the host-supplied wIndex without any sort of validation. Fix this up by validating the number of endpoints actually match up with the number the device has before attempting to dereference a pointer based on this math.

This is just like what was done in commit ee0d382feb44 ("usb: gadget: aspeed_udc: validate endpoint index for ast udc") for the aspeed driver.

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-2026-31615"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-24T15:16:40Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: renesas_usb3: validate endpoint index in standard request handlers\n\nThe GET_STATUS and SET/CLEAR_FEATURE handlers extract the endpoint\nnumber from the host-supplied wIndex without any sort of validation.\nFix this up by validating the number of endpoints actually match up with\nthe number the device has before attempting to dereference a pointer\nbased on this math.\n\nThis is just like what was done in commit ee0d382feb44 (\"usb: gadget:\naspeed_udc: validate endpoint index for ast udc\") for the aspeed driver.",
  "id": "GHSA-gggw-8cq2-45cp",
  "modified": "2026-06-01T18:31:27Z",
  "published": "2026-04-24T15:32:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31615"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1b2bfedccc4fb8c9572e1ea464f905424c91de2a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/360aa6e71870a175a6d86af905be2ca171639eb3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/37f430b2240655e6b0199a92aa1057e4d621be51"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/44216e3dd4455b798899b50eedb0ec3831dff8e0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7caaf76207f50c77abfd788380e19b2c23a94415"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/adb8014599fdf0818d3d93f1f74e06cd0bdec08d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c4e5ae6db2328d2d9ed55d3005a36c13faab0752"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e3d42598f2995cdc07b7779874e7c5f8a1b773db"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f880aac8a57ebd92abfa685d45424b2998ac1059"
    }
  ],
  "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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