{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-37813",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-37813"
  ],
  "published": "2025-05-08T06:39:36Z",
  "summary": "usb: xhci: Fix invalid pointer dereference in Etron workaround",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: xhci: Fix invalid pointer dereference in Etron workaround\n\nThis check is performed before prepare_transfer() and prepare_ring(), so\nenqueue can already point at the final link TRB of a segment. And indeed\nit will, some 0.4% of times this code is called.\n\nThen enqueue + 1 is an invalid pointer. It will crash the kernel right\naway or load some junk which may look like a link TRB and cause the real\nlink TRB to be replaced with a NOOP. This wouldn't end well.\n\nUse a functionally equivalent test which doesn't dereference the pointer\nand always gives correct result.\n\nSomething has crashed my machine twice in recent days while playing with\nan Etron HC, and a control transfer stress test ran for confirmation has\njust crashed it again. The same test passes with this patch applied.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
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        "1:6.12.20-1+rpt1~bpo12+1",
        "1:6.12.25-1+rpt1"
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      "ecosystem_specific": {
        "binaries": [
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            "binary_version": "1:6.6.74-1+rpt1"
          },
          {
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            "binary_version": "1:6.6.74-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.6.74+rpt-rpi-v8",
            "binary_version": "1:6.6.74-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.12.20+rpt-rpi-2712",
            "binary_version": "1:6.12.20-1+rpt1~bpo12+1"
          },
          {
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            "binary_version": "1:6.12.20-1+rpt1~bpo12+1"
          },
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            "binary_version": "1:6.12.25-1+rpt1"
          },
          {
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            "binary_version": "1:6.12.25-1+rpt1"
          },
          {
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            "binary_version": "1:6.12.25-1+rpt1"
          }
        ]
      },
      "database_specific": {
        "per_version": {
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            "linux_commit": "a18d9ced4965462cb7b3b4252ada440395105308",
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            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.6.89"
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            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.12.26"
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            "assessment": "commit ancestry (strak rule)",
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    },
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:13",
        "name": "linux"
      },
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        "1:6.12.19-1+rpt1~bpo12+1",
        "1:6.12.19-1+rpt1",
        "1:6.12.20-1+rpt1",
        "1:6.12.25-1+rpt1+trixie"
      ],
      "ecosystem_specific": {
        "binaries": [
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            "binary_version": "1:6.12.19-1+rpt1~bpo12+1"
          },
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            "binary_name": "linux-image-6.12.19+rpt-rpi-v7l",
            "binary_version": "1:6.12.19-1+rpt1~bpo12+1"
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            "binary_version": "1:6.12.25-1+rpt1+trixie"
          },
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      "database_specific": {
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-37813"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/142273a49f2c315eabdbdf5a71c15e479b75ca91"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/bce3055b08e303e28a8751f6073066f5c33a0744"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0624e29c595b05e7a0e6d1c368f0a05799928e30"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1ea050da5562af9b930d17cbbe9632d30f5df43a"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T12:19:11Z"
  }
}