PT-2026-61241 · Linux · Linux

CVE-2026-63924 · Published 2026-07-19 · Updated 2026-07-19

NVD

CVSS v3.1

9.8

Critical

Base vector

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

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

Related Identifiers

CVE-2026-63924

Affected Products

Linux

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2026-63924 · Security Note
• https://git.kernel.org/stable/c/bddaa4dfc7f36e1ee343a0622f69288af2b9ace9 · Note
• https://git.kernel.org/stable/c/645b99b1a185c91a79bdac4c5de0f91b212d64f0 · Note
• https://git.kernel.org/stable/c/2b56bbd928c030894c270cd33d60286326919458 · Note
• https://git.kernel.org/stable/c/9e883eaa878f4337b5873c706efb5a192364ed18 · Note
• https://git.kernel.org/stable/c/72af7beae774e46ed543f3f2f267bf0a141bfcdd · Note
• https://git.kernel.org/stable/c/c512e1c819dfbf6ae95ee7a44b65b9ad98979157 · Note
• https://git.kernel.org/stable/c/d47548a36639095939f4747d4c43f2271366f565 · Note
• https://git.kernel.org/stable/c/b3ac54e5c905f86d22b502eacb5686a282c5659f · Note