{
  "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-2023-54269",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-54269",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-30T12:16:00.317Z",
    "updatedAt": "2026-10-15T21:41:43.730Z",
    "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": "SUNRPC: double free xprt_ctxt while still in use",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: double free xprt_ctxt while still in use\n\nWhen an RPC request is deferred, the rq_xprt_ctxt pointer is moved out\nof the svc_rqst into the svc_deferred_req.\nWhen the deferred request is revisited, the pointer is copied into\nthe new svc_rqst - and also remains in the svc_deferred_req.\n\nIn the (rare?) case that the request is deferred a second time, the old\nsvc_deferred_req is reused - it still has all the correct content.\nHowever in that case the rq_xprt_ctxt pointer is NOT cleared so that\nwhen xpo_release_xprt is called, the ctxt is freed (UDP) or possible\nadded to a free list (RDMA).\nWhen the deferred request is revisited for a second time, it will\nreference this ctxt which may be invalid, and the free the object a\nsecond time which is likely to oops.\n\nSo change svc_defer() to *always* clear rq_xprt_ctxt, and assert that\nthe value is now stored in the svc_deferred_req.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "f5e13d700a4d40ccde3d36e383f9247dcb3c1d2d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7851771789e87108a92697194105ef0c9307dc5e"
            },
            {
              "version": "773f91b2cf3f52df0d7508fdbf60f37567cdaee4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fd86534872f445f54dc01e7db001e25eadf063a8"
            },
            {
              "version": "773f91b2cf3f52df0d7508fdbf60f37567cdaee4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e0c648627322a4c7e018e5c7f837c3c03e297dbb"
            },
            {
              "version": "773f91b2cf3f52df0d7508fdbf60f37567cdaee4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "eb8d3a2c809abd73ab0a060fe971d6b9019aa3c1"
            },
            {
              "version": "11fab500f86403b2ebf6795feeade6e10302e448",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.15.35",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.113"
            },
            {
              "version": "5.17.4",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.18"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.18",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.18"
            },
            {
              "version": "5.15.113",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.30",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.3.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "version": "6.4",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}