{"api_version":"1","generated_at":"2026-07-23T20:55:03+00:00","cve":"CVE-2026-63924","urls":{"html":"https://cve.report/CVE-2026-63924","api":"https://cve.report/api/cve/CVE-2026-63924.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63924","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63924"},"summary":{"title":"ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()\n\nipv6_hop_jumbo() calls pskb_trim_rcsum(), which can change skb pointers.\nLet's recompute nh pointer to make sure any change won't mess things up.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:10","updated_at":"2026-07-20 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the Linux kernel, the following vulnerability has been resolved:\n\nipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()\n\nipv6_hop_jumbo() calls pskb_trim_rcsum(), which can change skb pointers.\nLet's recompute nh pointer to make sure any change won't mess things up."}],"metrics":[{"cvssV3_1":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-20T13:41:34.095Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b3ac54e5c905f86d22b502eacb5686a282c5659f"},{"url":"https://git.kernel.org/stable/c/645b99b1a185c91a79bdac4c5de0f91b212d64f0"},{"url":"https://git.kernel.org/stable/c/9e883eaa878f4337b5873c706efb5a192364ed18"},{"url":"https://git.kernel.org/stable/c/bddaa4dfc7f36e1ee343a0622f69288af2b9ace9"},{"url":"https://git.kernel.org/stable/c/72af7beae774e46ed543f3f2f267bf0a141bfcdd"},{"url":"https://git.kernel.org/stable/c/c512e1c819dfbf6ae95ee7a44b65b9ad98979157"},{"url":"https://git.kernel.org/stable/c/2b56bbd928c030894c270cd33d60286326919458"},{"url":"https://git.kernel.org/stable/c/d47548a36639095939f4747d4c43f2271366f565"}],"title":"ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63924","datePublished":"2026-07-19T14:55:25.702Z","dateReserved":"2026-07-19T07:54:57.021Z","dateUpdated":"2026-07-20T13:41:34.095Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:10","lastModifiedDate":"2026-07-20 15:16:56","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63924","Ordinal":"1","Title":"ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()","CVE":"CVE-2026-63924","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63924","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()\n\nipv6_hop_jumbo() calls pskb_trim_rcsum(), which can change skb pointers.\nLet's recompute nh pointer to make sure any change won't mess things up.","Type":"Description","Title":"ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()"}]}}}