{
  "schema_version": "1.4.0",
  "id": "GHSA-5qhg-ffc9-x697",
  "modified": "2025-09-15T15:31:30Z",
  "published": "2025-09-15T15:31:30Z",
  "aliases": [
    "CVE-2023-53261"
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncoresight: Fix memory leak in acpi_buffer->pointer\n\nThere are memory leaks reported by kmemleak:\n...\nunreferenced object 0xffff00213c141000 (size 1024):\n  comm \"systemd-udevd\", pid 2123, jiffies 4294909467 (age 6062.160s)\n  hex dump (first 32 bytes):\n    04 00 00 00 02 00 00 00 18 10 14 3c 21 00 ff ff  ...........<!...\n    00 00 00 00 00 00 00 00 03 00 00 00 10 00 00 00  ................\n  backtrace:\n    [<000000004b7c9001>] __kmem_cache_alloc_node+0x2f8/0x348\n    [<00000000b0fc7ceb>] __kmalloc+0x58/0x108\n    [<0000000064ff4695>] acpi_os_allocate+0x2c/0x68\n    [<000000007d57d116>] acpi_ut_initialize_buffer+0x54/0xe0\n    [<0000000024583908>] acpi_evaluate_object+0x388/0x438\n    [<0000000017b2e72b>] acpi_evaluate_object_typed+0xe8/0x240\n    [<000000005df0eac2>] coresight_get_platform_data+0x1b4/0x988 [coresight]\n...\n\nThe ACPI buffer memory (buf.pointer) should be freed. But the buffer\nis also used after returning from acpi_get_dsd_graph().\nMove the temporary variables buf to acpi_coresight_parse_graph(),\nand free it before the function return to prevent memory leak.",
  "severity": [],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53261"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1a9e02673e2550f5612099e64e8761f0c8fc0f50"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d1b60e7c9fee34eaedf1fc4e0471f75b33f83a4a"
    }
  ],
  "database_specific": {
    "cwe_ids": [],
    "severity": null,
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-15T15:15:53Z"
  }
}