CVE-2026-64412 netfilter: ebtables: module names must be null-terminated
A missing null-termination check in ebtables can cause a kernel crash when processing module names, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-64412?
CVE-2026-64412 is a high-severity vulnerability in Linux kernel, published on 25 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
netfilter: ebtables: module names must be null-terminated
We need to explicitly check the length, else we may pass non-null terminated string to request_module().
Weakness: CWE-125
Which versions are affected by CVE-2026-64412?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-64412?
Apply the vendor's patch.
Is CVE-2026-64412 being exploited?
There is no known exploitation of CVE-2026-64412 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-93527, BELL-CVE-2026-64412, DEBIAN-CVE-2026-64412, GHSA-rwwm-7gp9-w6fm, ROOT-OS-DEBIAN-12-CVE-2026-64412, ROOT-OS-UBUNTU-2204-CVE-2026-64412 and 1 more.