{
  "cveId": "CVE-2023-53144",
  "url": "https://patchblox.com/security/cve/CVE-2023-53144",
  "summary": "CVE-2023-53144 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-53144, released May 2, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  erofs: fix wrong kunmap when using LZMA on HIGHM...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms  As the call trace shown, the root cause is kunmap incorrect pages:   BUG: kernel NULL pointer dereference, address: 00000000  CPU: 1 PID: 40 Comm: kworker/u5:0 Not tainted 6.2.0-rc5 #4  Workqueue: erofs_worker z_erofs_decompressqueue_work  EIP: z_erofs_lzma_decompress\u002B0x34b/0x8ac   z_erofs_decompress\u002B0x12/0x14   z_erofs_decompress_queue\u002B0x7e7/0xb1c   z_erofs_decompressqueue_work\u002B0x32/0x60   process_one_work\u002B0x24b/0x4d8   ? process_one_work\u002B0x1a4/0x4d8   worker_thread\u002B0x14c/0x3fc   kthread\u002B0xe6/0x10c   ? rescuer_thread\u002B0x358/0x358   ? kthread_complete_and_exit\u002B0x18/0x18   ret_from_fork\u002B0x1c/0x28  ---[ end trace 0000000000000000 ]---  The bug is trivial and should be fixed now.  It has no impact on !HIGHMEM platforms.",
  "published": "2025-05-02T16:15:33Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00185,
  "epssPercentile": 0.08197,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.20-1",
      "fix": "DEBIAN-CVE-2023-53144",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53144",
      "released": "2025-05-02T16:15:33Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.1.20-1",
      "fix": "DEBIAN-CVE-2023-53144",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53144",
      "released": "2025-05-02T16:15:33Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.1.20-1",
      "fix": "DEBIAN-CVE-2023-53144",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53144",
      "released": "2025-05-02T16:15:33Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}