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CVE-2026-63924

9.8 critical SSVC exploitation: none Analyzed
NVD · CVE.org

In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo() ipv6_hop_jumbo() calls pskb_trim_rcsum(), which can change skb pointers. Let's recompute nh pointer to make sure any change won't mess things up.

Fix

Patch, vendor advisory and mitigation references on NVD 8

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 6

  1. CwesCWE-822 → CWE-416, CWE-822NVD modified 2026-10-22 15:20
  2. Cpes+11 CPE criteria (now 11)NVD modified 2026-10-22 15:20
  3. StatusPublished → AnalyzedNVD modified 2026-10-22 15:20
  4. StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 20:17
  5. CwesCWE-822NVD modified 2026-10-19 21:17
  6. First seenCVSS 9.8NVD modified 2026-10-16 16:18

Affected (CPE criteria) 11

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:2.6.12:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:2.6.12:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:2.6.12:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:7.1:rc5:*:*:*:*:*:*

References 8