CVE-2026-98671 iio: adc: sun4i-gpadc-iio: clean up on thermal zone registration failure
A resource leak in the sun4i-gpadc-iio driver occurs if thermal zone registration fails, potentially leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-98671?
CVE-2026-98671 is a denial of service vulnerability in Linux, published on 18 Oct 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:
iio: adc: sun4i-gpadc-iio: clean up on thermal zone registration failure
If devm_thermal_of_zone_register() fails, probe returns without unregistering the IIO map array or disabling runtime PM.
Jump to err_map to release them.
Which versions are affected by CVE-2026-98671?
How do I fix CVE-2026-98671?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-98671 being exploited?
There is no known exploitation of CVE-2026-98671 in the wild and no public exploit code.
Sources
Also known as AZL-109319, BELL-CVE-2026-98671, DEBIAN-CVE-2026-98671, GHSA-3x5v-wv4g-p3x5, UBUNTU-CVE-2026-98671.