{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.19.13-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  firmware: thead: Fix buffer overflow and use standard endian macros  Addresses two issues in the TH1520 AON firmware protocol driver:  1. Fix a potential buffer overflow where the code used unsafe pointer    arithmetic to access the 'mode' field through the 'resource' pointer    with an offset. This was flagged by Smatch static checker as:    \"buffer overflow 'data' 2 \u003c= 3\"  2. Replace custom RPC_SET_BE* and RPC_GET_BE* macros with standard    kernel endianness conversion macros (cpu_to_be16, etc.) for better    portability and maintainability.  The functionality was re-tested with the GPU power-up sequence, confirming the GPU powers up correctly and the driver probes successfully.  [   12.702370] powervr ffef400000.gpu: [drm] loaded firmware powervr/rogue_36.52.104.182_v1.fw [   12.711043] powervr ffef400000.gpu: [drm] FW version v1.0 (build 6645434 OS) [   12.719787] [drm] Initialized powervr 1.0.0 for ffef400000.gpu on minor 0",
  "id": "DEBIAN-CVE-2026-31690",
  "modified": "2026-09-14T16:47:39.598163888Z",
  "published": "2026-04-27T18:16:54.507Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-31690"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-31690"
  ]
}