{
  "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-2026-64381",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-64381",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-07-25T08:50:31.209Z",
    "updatedAt": "2026-08-17T04:54:32.853Z",
    "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": "smb: client: Fix next buffer leak in receive_encrypted_standard()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Fix next buffer leak in receive_encrypted_standard()\n\nreceive_encrypted_standard() allocates next_buffer before checking\nwhether the number of compound PDUs already reached MAX_COMPOUND. If\nthe limit check fails, the function returns immediately and the newly\nallocated next_buffer is not assigned to server->smallbuf/server->bigbuf,\nmaking it leaked.\n\nMove the MAX_COMPOUND check before allocating next_buffer.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
              "status": "affected",
              "versionType": "git",
              "lessThan": "94e4f672db029414b9888b5137a7559f1febf2d8"
            },
            {
              "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
              "status": "affected",
              "versionType": "git",
              "lessThan": "68fc0b6cc03ca58060c0f36454e169f5fe258974"
            },
            {
              "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
              "status": "affected",
              "versionType": "git",
              "lessThan": "07e0ab81df1790afa35732a4e8e07ff831b29008"
            },
            {
              "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9136a08dc29328edd9867f2545e73906ac9df93b"
            },
            {
              "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
              "status": "affected",
              "versionType": "git",
              "lessThan": "67097772df7791c53d608f04bd31c676ccf79b83"
            },
            {
              "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
              "status": "affected",
              "versionType": "git",
              "lessThan": "297243e365fc9fe2f8e9b7dd535a65d922cd108b"
            },
            {
              "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
              "status": "affected",
              "versionType": "git",
              "lessThan": "927d4805aea0a287d36dd4f826ee24d69a2afee3"
            },
            {
              "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1c6267a1d5cf4c73b656f8181b310cbbb3e4767b"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.19"
            },
            {
              "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": "6.12.96",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.39",
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}