CVE-2026-43207 media: mtk-mdp: Fix error handling in probe function
A null pointer dereference in the MediaTek MDP driver probe function can cause a kernel crash, leading to denial of service.
- 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-2026-43207?
CVE-2026-43207 is a high-severity 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:
media: mtk-mdp: Fix error handling in probe function
Add mtk_mdp_unregister_m2m_device() on the error handling path to prevent resource leak.
Add check for the return value of vpu_get_plat_device() to prevent null pointer dereference. And vpu_get_plat_device() increases the reference count of the returned platform device. Add platform_device_put() to prevent reference leak.
Weakness: CWE-476
Which versions are affected by CVE-2026-43207?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-43207?
Apply the vendor's patch.
Is CVE-2026-43207 being exploited?
There is no known exploitation of CVE-2026-43207 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-43207, DEBIAN-CVE-2026-43207, GHSA-g5mh-vxpw-8cvf, ROOT-OS-DEBIAN-11-CVE-2026-43207, ROOT-OS-UBUNTU-2204-CVE-2026-43207, ROOT-OS-UBUNTU-2404-CVE-2026-43207 and 1 more.