{
  "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-2026-31637",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31637",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-24T14:44:51.364Z",
    "updatedAt": "2026-10-19T18:56:01.051Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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": "rxrpc: reject undecryptable rxkad response tickets",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: reject undecryptable rxkad response tickets\n\nrxkad_decrypt_ticket() decrypts the RXKAD response ticket and then\nparses the buffer as plaintext without checking whether\ncrypto_skcipher_decrypt() succeeded.\n\nA malformed RESPONSE can therefore use a non-block-aligned ticket\nlength, make the decrypt operation fail, and still drive the ticket\nparser with attacker-controlled bytes.\n\nCheck the decrypt result and abort the connection with RXKADBADTICKET\nwhen ticket decryption fails.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "252157d939d179b5d767cb860ff8fa7f8723b67a"
            },
            {
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a75b3b361dd481d942c5f259a82d59718a41092c"
            },
            {
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b3a808cd0790b5075aaa2bc3588edf02cd71d352"
            },
            {
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "47073aab8a3a5a7b41c9bd37d2a3dcbeeccd6c8a"
            },
            {
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a149dcae23309df9de1c3b6b5d468610ef5ab7de"
            },
            {
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "22f6258e7b31dba9bf88dce4e3ee7f0f20072e60"
            },
            {
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "58fcd1b156152613ba00a064a129fb69507ddd7d"
            },
            {
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fe4447cd95623b1cfacc15f280aab73a6d7340b2"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.22",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.22"
            },
            {
              "version": "5.10.258",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.209",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.175",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.135",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.82",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.23",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.13",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}