{
  "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-2026-46024",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-46024",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-27T12:56:29.932Z",
    "updatedAt": "2026-10-19T19:26:41.575Z",
    "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": "libceph: Prevent potential null-ptr-deref in ceph_handle_auth_reply()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: Prevent potential null-ptr-deref in ceph_handle_auth_reply()\n\nIf a message of type CEPH_MSG_AUTH_REPLY contains a zero value for both\nprotocol and result, this is currently not treated as an error. In case\nof ac->negotiating == true and ac->protocol > 0, this leads to setting\nac->protocol = 0 and ac->ops = NULL. Thereafter, the check for\nac->protocol != protocol returns false, and init_protocol() is not\ncalled. Subsequently, ac->ops->handle_reply() is called, which leads to\na null pointer dereference, because ac->ops is still NULL.\n\nThis patch changes the check for ac->protocol != protocol to\n!ac->protocol, as this also includes the case when the protocol was set\nto zero in the message. This causes the message to be treated as\ncontaining a bad auth protocol.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4e7a5dcd1bbab6560fbc8ada29a840e7a20ed7bc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9ded62c302c0342efdb5eda3bf6e75720caad0df"
            },
            {
              "version": "4e7a5dcd1bbab6560fbc8ada29a840e7a20ed7bc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f101271fcf55d7eacfefd610b51ec65f46ba8118"
            },
            {
              "version": "4e7a5dcd1bbab6560fbc8ada29a840e7a20ed7bc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4b2738b93edad661178340239de657d876b73d3d"
            },
            {
              "version": "4e7a5dcd1bbab6560fbc8ada29a840e7a20ed7bc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "927e4bd5692f2a4901808822981fb2c8d4456548"
            },
            {
              "version": "4e7a5dcd1bbab6560fbc8ada29a840e7a20ed7bc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "016bc663657366d386993f63eb31072eb45a2b77"
            },
            {
              "version": "4e7a5dcd1bbab6560fbc8ada29a840e7a20ed7bc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8f2be7285941a33a9f72579a23b96392f83c758e"
            },
            {
              "version": "4e7a5dcd1bbab6560fbc8ada29a840e7a20ed7bc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5199c125d25aeae8615c4fc31652cc0fe624338e"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.34",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.34"
            },
            {
              "version": "5.15.209",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.175",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.140",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.86",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.27",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}