CVE-2026-64150 netfilter: nft_inner: release local_lock before re-enabling softirqs
A race condition in the Linux kernel netfilter module can lead to a denial of service due to incorrect lock handling in an error path.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-64150?
CVE-2026-64150 is a critical vulnerability in Linux kernel, published on 19 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_inner: release local_lock before re-enabling softirqs
Quoting sashiko: In the error path, local_bh_enable() is called before local_unlock_nested_bh().
Which versions are affected by CVE-2026-64150?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-64150?
Apply the vendor's patch.
Is CVE-2026-64150 being exploited?
There is no known exploitation of CVE-2026-64150 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-64150, DEBIAN-CVE-2026-64150, GHSA-q478-9hmx-8q5r, UBUNTU-CVE-2026-64150.