{
  "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-2026-68175",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-68175",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-08-10T11:59:45.965Z",
    "updatedAt": "2026-08-19T16:30:39.826Z",
    "importedAt": "2026-10-24T01:58:25.636Z",
    "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 resource leak on mmiotrace trace_pipe close",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix resource leak on mmiotrace trace_pipe close\n\nThe mmiotrace tracer was added May 12th 2008. At that time, resources\ncreated in pipe_open() could not be freed because there was not\npipe_close function pointer of the tracer. The pipe_close function pointer\nwas added in December 7th, 2009, but the mmiotrace tracer was not updated.\n\nmmio_pipe_open() allocates a header_iter and takes a pci_dev reference\nwhen trace_pipe is opened. mmio_close() frees them, but it was only\nwired to the tracer's .close callback.\n\ntracing_release_pipe() invokes .pipe_close, not .close, when the\ntrace_pipe file is released. As a result, closing trace_pipe with the\nmmiotrace tracer active leaked the header_iter allocation and left a\nstale pci_dev reference.\n\nSet .pipe_close to mmio_close, matching how function_graph wires both\ncallbacks to the same handler.\n\nNote, if the trace_pipe is read to completion, it will clean up the\nresources, but if one were to run:\n\n  # head -n 1 /sys/kernel/tracing/trace_pipe\n VERSION 20070824\n\nOver and over again, it would trigger a massive leak.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "c521efd1700a8c0f7ce26f011f5eaecca17fabfa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7871128ea41217fa6a58bbbcb44cb0d2e9e60966"
            },
            {
              "version": "c521efd1700a8c0f7ce26f011f5eaecca17fabfa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1d0b59e2b203c02149d8f63607329debe36b3ec5"
            },
            {
              "version": "c521efd1700a8c0f7ce26f011f5eaecca17fabfa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "581ac13e12e77d6c64f8719083bdf95209308919"
            },
            {
              "version": "c521efd1700a8c0f7ce26f011f5eaecca17fabfa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f9e6dfe341fb31c95b9655eb6b1db8b3ae090817"
            },
            {
              "version": "c521efd1700a8c0f7ce26f011f5eaecca17fabfa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "594e1cf3f736779a535873fd5988162d827bfe4f"
            },
            {
              "version": "c521efd1700a8c0f7ce26f011f5eaecca17fabfa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cf5a82bef623b969a609f2b7e392d06dbae34aa6"
            },
            {
              "version": "c521efd1700a8c0f7ce26f011f5eaecca17fabfa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cb459fec4f7b13caf646101ff076e94ef38434d8"
            },
            {
              "version": "c521efd1700a8c0f7ce26f011f5eaecca17fabfa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c1d87e724ae55e781b7cc7ccafb34d9e668582b2"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.33",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.33"
            },
            {
              "version": "5.10.265",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.216",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.183",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.148",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.101",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.42",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}