CVE-2026-80616 ieee802154: Avoid calling WARN_ON() on -ENOMEM in cfg802154_switch_netns()
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-80616?
CVE-2026-80616 is a vulnerability in Linux, published on 28 Aug 2026.
Official description
In the Linux kernel, the following vulnerability has been resolved:
ieee802154: Avoid calling WARN_ON() on -ENOMEM in cfg802154_switch_netns()
It's pointless to call WARN_ON() in case of an allocation failure in dev_change_net_namespace() and device_rename(), since it only leads to useless splats caused by deliberate fault injections, so avoid it.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Which versions are affected by CVE-2026-80616?
How do I fix CVE-2026-80616?
Upgrade to a fixed version.
Is CVE-2026-80616 being exploited?
There is no known exploitation of CVE-2026-80616 in the wild and no public exploit code.
Sources
Also known as AZL-98186, BELL-CVE-2026-80616, DEBIAN-CVE-2026-80616, GHSA-hccx-rj7h-28cw, UBUNTU-CVE-2026-80616.