{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2023-53261",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53261",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-15T14:46:33.065Z",
    "updatedAt": "2026-05-11T19:41:22.251Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "coresight: Fix memory leak in acpi_buffer->pointer",
      "summary": "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.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "76ffa5ab5b79c250b9744b7f8bdd835db426a1ae",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d1b60e7c9fee34eaedf1fc4e0471f75b33f83a4a"
            },
            {
              "version": "76ffa5ab5b79c250b9744b7f8bdd835db426a1ae",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1a9e02673e2550f5612099e64e8761f0c8fc0f50"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.3",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.3"
            },
            {
              "version": "6.5.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.5.*"
            },
            {
              "version": "6.6",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}