CVE-2026-92516 bpf: Fix offset warn check for bpf_res_spin_lock
A logic error in the Linux kernel's BPF spin lock offset check could lead to undefined behavior or instability, requiring a kernel patch.
- 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-2026-92516?
CVE-2026-92516 is a vulnerability in Linux, published on 17 Sep 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:
bpf: Fix offset warn check for bpf_res_spin_lock
Sashiko pointed out correctly that the case statement for BPF_RES_SPIN_LOCK incorrectly checks offset for BPF_SPIN_LOCK. Fix it by checking res_spin_lock_off instead.
Which versions are affected by CVE-2026-92516?
How do I fix CVE-2026-92516?
Apply the vendor's patch.
Is CVE-2026-92516 being exploited?
There is no known exploitation of CVE-2026-92516 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-92516, DEBIAN-CVE-2026-92516, GHSA-qp84-4hjv-2r7r, UBUNTU-CVE-2026-92516.