GHSA-RPFR-3PRF-W7F2

Vulnerability from github – Published: 2025-05-08 09:30 – Updated: 2025-11-13 00:30
VLAI
Details

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

usb: dwc3: gadget: check that event count does not exceed event buffer length

The event count is read from register DWC3_GEVNTCOUNT. There is a check for the count being zero, but not for exceeding the event buffer length. Check that event count does not exceed event buffer length, avoiding an out-of-bounds access when memcpy'ing the event. Crash log: Unable to handle kernel paging request at virtual address ffffffc0129be000 pc : __memcpy+0x114/0x180 lr : dwc3_check_event_buf+0xec/0x348 x3 : 0000000000000030 x2 : 000000000000dfc4 x1 : ffffffc0129be000 x0 : ffffff87aad60080 Call trace: __memcpy+0x114/0x180 dwc3_interrupt+0x24/0x34

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-2025-37810"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-08T07:15:52Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: dwc3: gadget: check that event count does not exceed event buffer length\n\nThe event count is read from register DWC3_GEVNTCOUNT.\nThere is a check for the count being zero, but not for exceeding the\nevent buffer length.\nCheck that event count does not exceed event buffer length,\navoiding an out-of-bounds access when memcpy\u0027ing the event.\nCrash log:\nUnable to handle kernel paging request at virtual address ffffffc0129be000\npc : __memcpy+0x114/0x180\nlr : dwc3_check_event_buf+0xec/0x348\nx3 : 0000000000000030 x2 : 000000000000dfc4\nx1 : ffffffc0129be000 x0 : ffffff87aad60080\nCall trace:\n__memcpy+0x114/0x180\ndwc3_interrupt+0x24/0x34",
  "id": "GHSA-rpfr-3prf-w7f2",
  "modified": "2025-11-13T00:30:16Z",
  "published": "2025-05-08T09:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37810"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/015c39f38e69a491d2abd5e98869a500a9459b3b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/52a7c9d930b95aa8b1620edaba4818040c32631f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/63ccd26cd1f6600421795f6ca3e625076be06c9f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/99d655119b870ee60e4dbf310aa9a1ed8d9ede3d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a44547015287a19001384fe94dbff84c92ce4ee1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b43225948b231b3f331194010f84512bee4d9f59"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c0079630f268843a25ed75226169cba40e0d8880"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c4d80e41cb42008dceb35e5dbf52574d93beac0d"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
    }
  ],
  "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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