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CVE

CVE-2026-63924

ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()
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CVE

CVE-2026-63924

ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()

In the Linux kernel, the following vulnerability has been resolved:

ipv6: exthdrs: refresh nh pointer after ipv6hopjumbo()

ipv6hopjumbo() calls pskbtrimrcsum(), which can change skb pointers.

Let's recompute nh pointer to make sure any change won't mess things up.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

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, https://git.kernel.org/stable/c/bddaa4dfc7f36e1ee343a0622f69288af2b9ace9, https://git.kernel.org/stable/c/c512e1c819dfbf6ae95ee7a44b65b9ad98979157, https://git.kernel.org/stable/c/d47548a36639095939f4747d4c43f2271366f565, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63924.json, https://nvd.nist.gov/vuln/detail/CVE-2026-63924, https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00714%
EPSS Percentile
0.50946%
Introduced Version
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,2.6.12,5.11.0,5.16.0,6.2.0,6.7.0,6.13.0,6.19.0,0
Fix Available
d47548a36639095939f4747d4c43f2271366f565,5.10.259,5.15.210,6.1.176,6.6.143,6.12.93,6.18.35,7.0.12,6.1.176-1,6.12.94-1,7.0.0-28.28~24.04.1,7.0.0-1016.16~24.04.1,7.0.0-28.28.1~24.04.3,0:5.15.0-323.211.3.3.el8uek,0:6.12.0-206.104.3.3.el9uek,0:5.15.0-323.211.3.3.el9uek,0:6.12.0-206.104.3.3.el10uek,0:5.10.259-258.1043.amzn2,0:1.0-0.amzn2,0:5.15.210-148.245.amzn2,1:6.18.35-68.127.amzn2023,1:1.0-0.amzn2023,1:6.1.176-220.358.amzn2023,1:6.12.94-123.174.amzn2023

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