CVE-2026-63924

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.

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-25)

CWEs

CWE-416, CWE-822

Published

2026-07-19

Modified

2026-10-22

Record from

the NVD, synced 2026-10-22

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/2b56bbd928c030894c270cd33d60286326919458
• https://git.kernel.org/stable/c/645b99b1a185c91a79bdac4c5de0f91b212d64f0
• https://git.kernel.org/stable/c/72af7beae774e46ed543f3f2f267bf0a141bfcdd
• https://git.kernel.org/stable/c/9e883eaa878f4337b5873c706efb5a192364ed18
• https://git.kernel.org/stable/c/b3ac54e5c905f86d22b502eacb5686a282c5659f

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