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CVE-2026-63924

Last refreshed2026-10-17

Status: UPDATED  |  Advisory ID: CVE-2026-63924

Key Details

CVECVE-2026-63924
CVSS Score / Version
9.8 (Critical) / CVSS v3.1
Updated2026-10-16
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Prose
attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
Linux Kernel

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
LinuxLinux Kernel
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

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. (NVD)

What to Do

Monitor Linux's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-63924
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-63924

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