{
  "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-2026-64116",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-64116",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-07-19T15:40:16.240Z",
    "updatedAt": "2026-08-05T12:39:25.437Z",
    "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": "ipv6: ioam: add NULL check for idev in ipv6_hop_ioam()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: ioam: add NULL check for idev in ipv6_hop_ioam()\n\nReported by Sashiko:\n\nThe function ipv6_hop_ioam() accesses\n__in6_dev_get(skb->dev)->cnf.ioam6_enabled without validating the returned\nidev pointer. Because addrconf_ifdown() can concurrently clear dev->ip6_ptr\nvia RCU, __in6_dev_get() can return NULL during interface teardown, which\ncould cause a NULL pointer dereference when processing an IOAM Hop-by-Hop\noption.\n\nLet's add a check and use SKB_DROP_REASON_IPV6DISABLED accordingly.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c7e8971abd70e9d022f1c251ba2508f8dc7f2db8"
            },
            {
              "version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "09cbfd4b81ae90963dadb1de99b63b702e73290a"
            },
            {
              "version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1dca7e491f070ac49b3d934f16ee953a53b37f38"
            },
            {
              "version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "902daac307eb7e1955ce05b071950f3cba88c963"
            },
            {
              "version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "abdd03229414b5a52943b65a60f34b84cea5ac59"
            },
            {
              "version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cf75eb6617042c8cff6112daeed7791809fc9dd2"
            },
            {
              "version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d4ea0dfd75011b78cebf3808f98ac4c4f51a6fb9"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.15",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.15"
            },
            {
              "version": "5.15.210",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.176",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.143",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.92",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.34",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}