{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-80594",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-80594"
  ],
  "published": "2026-08-28T06:50:33Z",
  "summary": "Input: ims-pcu - fix potential infinite loop in CDC union descriptor parsing",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: ims-pcu - fix potential infinite loop in CDC union descriptor parsing\n\nThe driver parses CDC union descriptors in ims_pcu_get_cdc_union_desc()\nby iterating through the extra descriptor data. However, it does not\nverify that the bLength of each descriptor is at least 2. A malicious\ndevice could provide a descriptor with bLength = 0, leading to an\ninfinite loop in the driver.\n\nAdd a check to ensure bLength is at least 2 before proceeding with\nparsing.",
  "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": "6.1.178",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-80594"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/67a038c5a7c9bd8aabe6fba8ac9d2e31c0bd5a28"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6314bd9e2a6b3362998dc85485dd4b0f133a3532"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/76eeeb3a8e3c13d5c0ef28666b57dcb5cc101a32"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e3f93d63dcd48c1f0ba9041f2ffa8aea7170e295"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b847f2725ef47a26b3d01eca3d54fd811e5a544d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/383934c249a9817d242d02d30bfbc8defbf0d533"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/bbbe31486cf2d12177462e4a814244c2597c9849"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d4579af29e67ca8722db0a1194227f8015c8981d"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-28T06:50:33Z"
  }
}