CVE-2025-71288 memory: mtk-smi: fix device leaks on common probe
A memory leak in the Linux kernel's MTK SMI driver can lead to resource exhaustion and denial of service during probe failures or unbinding.
- 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-2025-71288?
CVE-2025-71288 is a medium-severity denial of service vulnerability in Linux kernel, published on 6 May 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:
memory: mtk-smi: fix device leaks on common probe
Make sure to drop the reference taken when looking up the SMI device during common probe on late probe failure (e.g. probe deferral) and on driver unbind.
Weakness: CWE-401
Which versions are affected by CVE-2025-71288?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-71288?
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-2025-71288 being exploited?
There is no known exploitation of CVE-2025-71288 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-71288, DEBIAN-CVE-2025-71288, GHSA-pw82-jcjx-2282, ROOT-OS-UBUNTU-2404-CVE-2025-71288, UBUNTU-CVE-2025-71288.