CVE-2025-71158 gpio: mpsse: ensure worker is torn down
Unplugging a device while an IRQ worker is running causes a kernel crash due to improper worker teardown in the gpio mpsse driver.
- 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-2025-71158?
CVE-2025-71158 is a high-severity vulnerability in Linux kernel, published on 23 Jan 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:
gpio: mpsse: ensure worker is torn down
When an IRQ worker is running, unplugging the device would cause a crash. The sealevel hardware this driver was written for was not hotpluggable, so I never realized it.
This change uses a spinlock to protect a list of workers, which it tears down on disconnect.
Which versions are affected by CVE-2025-71158?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-71158?
Apply the vendor's patch.
Is CVE-2025-71158 being exploited?
There is no known exploitation of CVE-2025-71158 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-71158, DEBIAN-CVE-2025-71158, GHSA-xx2g-p975-mwgc, ROOT-OS-DEBIAN-12-CVE-2025-71158, ROOT-OS-DEBIAN-13-CVE-2025-71158, ROOT-OS-UBUNTU-2204-CVE-2025-71158 and 2 more.