{
  "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-2026-64375",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-64375",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-07-25T08:50:26.869Z",
    "updatedAt": "2026-10-19T20:38:25.420Z",
    "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": "proc: protect ptrace_may_access() with exec_update_lock (FD links)",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nproc: protect ptrace_may_access() with exec_update_lock (FD links)\n\nproc_pid_get_link() and proc_pid_readlink() currently look up the task from\nthe pid once, then do the ptrace access check on that task, then look up\nthe task from the pid a second time to do the actual access.\nThat's racy in several ways.\n\nTo fix it, pass the task to the ->proc_get_link() handler, and instead of\nproc_fd_access_allowed(), introduce a new helper call_proc_get_link() that\nlooks up and locks the task, does the access check, and calls\n->proc_get_link().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "778c1144771f0064b6f51bee865cceb0d996f2f9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6253dfee5afba536bb54fc6fe6c091c3758fafe1"
            },
            {
              "version": "778c1144771f0064b6f51bee865cceb0d996f2f9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "65bf0d2b6e914f1448d6a2fde193dcf60936a651"
            },
            {
              "version": "778c1144771f0064b6f51bee865cceb0d996f2f9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "de497d7aa2fae453a7e7c8f7d3e8682e565e3aaf"
            },
            {
              "version": "778c1144771f0064b6f51bee865cceb0d996f2f9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "138c692d2b2d63d26f2eb957d0e4fcc5d61f9ff2"
            },
            {
              "version": "778c1144771f0064b6f51bee865cceb0d996f2f9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "83b17872e3166c295c599279fc9562ac3840c638"
            },
            {
              "version": "778c1144771f0064b6f51bee865cceb0d996f2f9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "497c6bae5167428596575f20af6613ff5671f383"
            },
            {
              "version": "778c1144771f0064b6f51bee865cceb0d996f2f9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dfd1894cb64cbd8758b461ed713800fe73db4f82"
            },
            {
              "version": "778c1144771f0064b6f51bee865cceb0d996f2f9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6255da28d4bb5349fe18e84cb043ccd394eba75d"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.18",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.18"
            },
            {
              "version": "5.10.261",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.212",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.178",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.145",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.97",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.40",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}