CVE-2026-72410 octeontx2-af: Validate NIX maximum LFs correctly
A logic error in the OcteonTX2 AF driver allows incorrect validation of NIX logical functions, potentially enabling privilege escalation.
- 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-2026-72410?
CVE-2026-72410 is a high-severity missing authorization vulnerability in Linux, published on 15 Aug 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:
octeontx2-af: Validate NIX maximum LFs correctly
NIX maximum number of LFs can be set via devlink command but that can be done before assigning any LFs to a PF/VF. The condition used to check whether any LFs are assigned is incorrect. This patch fixes that condition.
Which versions are affected by CVE-2026-72410?
How do I fix CVE-2026-72410?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-72410 being exploited?
There is no known exploitation of CVE-2026-72410 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-72410, DEBIAN-CVE-2026-72410, GHSA-8v6p-qx2g-g6v4, UBUNTU-CVE-2026-72410.