{
  "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-2026-45964",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-45964",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-27T12:18:22.052Z",
    "updatedAt": "2026-05-27T12:18:22.052Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "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": "SUNRPC: fix gss_auth kref leak in gss_alloc_msg error path",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: fix gss_auth kref leak in gss_alloc_msg error path\n\nCommit 5940d1cf9f42 (\"SUNRPC: Rebalance a kref in auth_gss.c\") added\na kref_get(&gss_auth->kref) call to balance the gss_put_auth() done\nin gss_release_msg(), but forgot to add a corresponding kref_put()\non the error path when kstrdup_const() fails.\n\nIf service_name is non-NULL and kstrdup_const() fails, the function\njumps to err_put_pipe_version which calls put_pipe_version() and\nkfree(gss_msg), but never releases the gss_auth reference. This leads\nto a kref leak where the gss_auth structure is never freed.\n\nAdd a forward declaration for gss_free_callback() and call kref_put()\nin the err_put_pipe_version error path to properly release the\nreference taken earlier.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5940d1cf9f42f67e9cc3f7df9eda39f5888d6e9e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3b2b6c42070ce4204936288253baf101e995c2d3"
            },
            {
              "version": "5940d1cf9f42f67e9cc3f7df9eda39f5888d6e9e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b559be2ec6cdb2e9c2c36c23fbbd4690d8a5c3f7"
            },
            {
              "version": "5940d1cf9f42f67e9cc3f7df9eda39f5888d6e9e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a1bc9561b617ec7e2d09e6c134d1db8fcf9ca4a6"
            },
            {
              "version": "5940d1cf9f42f67e9cc3f7df9eda39f5888d6e9e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "655c9ba9915f05266998dbbf4b76b3c79b8a70aa"
            },
            {
              "version": "5940d1cf9f42f67e9cc3f7df9eda39f5888d6e9e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e464e26b2457005c87e158570498274b9f3b90c7"
            },
            {
              "version": "5940d1cf9f42f67e9cc3f7df9eda39f5888d6e9e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c20f925214249bb4fc04f7e197bea142a6438af6"
            },
            {
              "version": "5940d1cf9f42f67e9cc3f7df9eda39f5888d6e9e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a2d4e9a76de0b2178001214ba5de5bf94a7354aa"
            },
            {
              "version": "5940d1cf9f42f67e9cc3f7df9eda39f5888d6e9e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dd2fdc3504592d85e549c523b054898a036a6afe"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.2",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.2"
            },
            {
              "version": "5.10.252",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.202",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.165",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.128",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}