{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-40053",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-40053"
  ],
  "published": "2025-10-28T11:50:45Z",
  "summary": "net: dlink: handle copy_thresh allocation failure",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dlink: handle copy_thresh allocation failure\n\nThe driver did not handle failure of `netdev_alloc_skb_ip_align()`.\nIf the allocation failed, dereferencing `skb->protocol` could lead to\na NULL pointer dereference.\n\nThis patch tries to allocate `skb`. If the allocation fails, it falls\nback to the normal path.\n\nTested-on: D-Link DGE-550T Rev-A3",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.156",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-40053"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/84fd710a704f3d53d4120e452e86cea558cf73a8"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/5aa9b885602811a026a3f45c92ea2b4b04c54f09"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9d49e4b14609e1a20d931e718962c4b6b5485174"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/ea87151df398d407a632c7bf63013290f01c5009"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/7ed5010fef0930f4322d620052edc854ef3ec41f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/fd7b6b2c920d7fd370a612be416a904d6e1ebe55"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8169a6011c5fecc6cb1c3654c541c567d3318de8"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T12:19:11Z"
  }
}