{
  "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-2023-54171",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-54171",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-30T12:08:45.441Z",
    "updatedAt": "2026-05-11T19:56:49.388Z",
    "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": "tracing: Fix memory leak of iter->temp when reading trace_pipe",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix memory leak of iter->temp when reading trace_pipe\n\nkmemleak reports:\n  unreferenced object 0xffff88814d14e200 (size 256):\n    comm \"cat\", pid 336, jiffies 4294871818 (age 779.490s)\n    hex dump (first 32 bytes):\n      04 00 01 03 00 00 00 00 08 00 00 00 00 00 00 00  ................\n      0c d8 c8 9b ff ff ff ff 04 5a ca 9b ff ff ff ff  .........Z......\n    backtrace:\n      [<ffffffff9bdff18f>] __kmalloc+0x4f/0x140\n      [<ffffffff9bc9238b>] trace_find_next_entry+0xbb/0x1d0\n      [<ffffffff9bc9caef>] trace_print_lat_context+0xaf/0x4e0\n      [<ffffffff9bc94490>] print_trace_line+0x3e0/0x950\n      [<ffffffff9bc95499>] tracing_read_pipe+0x2d9/0x5a0\n      [<ffffffff9bf03a43>] vfs_read+0x143/0x520\n      [<ffffffff9bf04c2d>] ksys_read+0xbd/0x160\n      [<ffffffff9d0f0edf>] do_syscall_64+0x3f/0x90\n      [<ffffffff9d2000aa>] entry_SYSCALL_64_after_hwframe+0x6e/0xd8\n\nwhen reading file 'trace_pipe', 'iter->temp' is allocated or relocated\nin trace_find_next_entry() but not freed before 'trace_pipe' is closed.\n\nTo fix it, free 'iter->temp' in tracing_release_pipe().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ff895103a84abc85a5f43ecabc7f67cf36e1348f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1a1e793e021d75cd0accd8f329ec9456e5cd105e"
            },
            {
              "version": "ff895103a84abc85a5f43ecabc7f67cf36e1348f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "954792db9f61b6c0b8a94b8831fed5f146014029"
            },
            {
              "version": "ff895103a84abc85a5f43ecabc7f67cf36e1348f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "be970e22c53d5572b2795b79da9716ada937023b"
            },
            {
              "version": "ff895103a84abc85a5f43ecabc7f67cf36e1348f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3f42d57a76e7e96585f08855554e002218cbca0c"
            },
            {
              "version": "ff895103a84abc85a5f43ecabc7f67cf36e1348f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d5a821896360cc8b93a15bd888fabc858c038dc0"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.7"
            },
            {
              "version": "5.10.188",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.121",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.40",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.4.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.*"
            },
            {
              "version": "6.5",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}