CVE-2026-63922: ipv6: exthdrs: refresh nh after handling HAO option
In the Linux kernel, the following vulnerability has been resolved:
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.187-1Fixed in 6.12.107-1Fixed in 6.12.111-1Fixed in 7.2.8-1Fixed in 7.2.9-1 - Upgrade
Upgrade
linux/Kernelto a version that resolves this vulnerability.Fixed in 5.10.259 - Upgrade
Upgrade
linux/Kernelto a version that resolves this vulnerability.Fixed in 5.15.210 - Upgrade
Upgrade
linux/Kernelto a version that resolves this vulnerability.Fixed in 6.1.176 - Upgrade
Upgrade
linux/Kernelto a version that resolves this vulnerability.Fixed in 6.6.143 - Upgrade
Upgrade
linux/Kernelto a version that resolves this vulnerability.Fixed in 6.12.93 - Upgrade
Upgrade
linux/Kernelto a version that resolves this vulnerability.Fixed in 6.18.35 - Upgrade
Upgrade
linux/Kernelto a version that resolves this vulnerability.Fixed in 7.0.12
Event History
Frequently Asked Questions
What is the severity of CVE-2026-63922?
CVE-2026-63922 has a critical severity rating of 9.8.
How do I fix CVE-2026-63922?
To fix CVE-2026-63922, update your Linux kernel to the latest version that addresses this vulnerability.
What type of vulnerability is CVE-2026-63922?
CVE-2026-63922 is a memory corruption vulnerability found in the Linux kernel's IPv6 handling.
What impact does CVE-2026-63922 have on systems?
CVE-2026-63922 can lead to potential system crashes or unauthorized access due to improper handling of IPv6 options.
In which software is CVE-2026-63922 present?
CVE-2026-63922 is present in the Linux kernel.