CVE-2025-71287 memory: mtk-smi: fix device leak on larb probe
A memory leak in the Linux kernel MTK SMI driver can lead to resource exhaustion and denial of service during device probe failures.
- 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-2025-71287?
CVE-2025-71287 is a medium-severity memory corruption 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 leak on larb probe
Make sure to drop the reference taken when looking up the SMI device during larb probe on late probe failure (e.g. probe deferral) and on driver unbind.
Weakness: CWE-401
Which versions are affected by CVE-2025-71287?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-71287?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-71287 being exploited?
There is no known exploitation of CVE-2025-71287 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-71287, DEBIAN-CVE-2025-71287, GHSA-62g2-8mj9-vf3f, ROOT-OS-DEBIAN-11-CVE-2025-71287, ROOT-OS-UBUNTU-2204-CVE-2025-71287, ROOT-OS-UBUNTU-2404-CVE-2025-71287 and 1 more.