{
  "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-2026-63922",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-63922",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-07-19T14:55:24.268Z",
    "updatedAt": "2026-10-19T20:17:56.594Z",
    "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: exthdrs: refresh nh after handling HAO option",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: exthdrs: refresh nh after handling HAO option\n\nip6_parse_tlv() caches skb_network_header(skb) in nh while walking\nIPv6 TLVs.\n\nipv6_dest_hao() may call pskb_expand_head() for a cloned skb, which can\nmove the skb head and invalidate the cached network header pointer.\nRefresh nh after ipv6_dest_hao() returns so any trailing padding or TLVs\nare parsed from the current skb head.\n\nThis matches the existing pattern used in ip6_parse_tlv() after helpers\nthat can modify skb header storage.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "a831f5bbc89a9978795504be9e1ff412043f8f77",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b3ac54e5c905f86d22b502eacb5686a282c5659f"
            },
            {
              "version": "a831f5bbc89a9978795504be9e1ff412043f8f77",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f8aabed3ff3e986920cf02a2a2785e08e586b234"
            },
            {
              "version": "a831f5bbc89a9978795504be9e1ff412043f8f77",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1a11eb7431e3d2882f5bd5939c5a9bbc65ccf4d1"
            },
            {
              "version": "a831f5bbc89a9978795504be9e1ff412043f8f77",
              "status": "affected",
              "versionType": "git",
              "lessThan": "12d957979e4a800167842f1b42be6a606d227ebe"
            },
            {
              "version": "a831f5bbc89a9978795504be9e1ff412043f8f77",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ff375ed1cba81392346c5bfbf0bb7a13b2946f99"
            },
            {
              "version": "a831f5bbc89a9978795504be9e1ff412043f8f77",
              "status": "affected",
              "versionType": "git",
              "lessThan": "751db1b802a067b7fff25880f4e9f9152a171538"
            },
            {
              "version": "a831f5bbc89a9978795504be9e1ff412043f8f77",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9b6dcc0a39fd71752937f0b6b3973e1416085dcf"
            },
            {
              "version": "a831f5bbc89a9978795504be9e1ff412043f8f77",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f7b52afe3592eae66e160586b45a3f2242972c63"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.19"
            },
            {
              "version": "5.10.259",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "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": "6.12.93",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.35",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}