CVE-2026-43246 media: i2c/tw9906: Fix potential memory leak in tw9906_probe()
A memory leak in the tw9906 video driver probe function can lead to resource exhaustion and 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-2026-43246?
CVE-2026-43246 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:
media: i2c/tw9906: Fix potential memory leak in tw9906_probe()
In one of the error paths in tw9906_probe(), the memory allocated in v4l2_ctrl_handler_init() and v4l2_ctrl_new_std() is not freed. Fix that by calling v4l2_ctrl_handler_free() on the handler in that error path.
Weakness: CWE-401
Which versions are affected by CVE-2026-43246?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-43246?
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-2026-43246 being exploited?
There is no known exploitation of CVE-2026-43246 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-43246, DEBIAN-CVE-2026-43246, GHSA-282c-48vc-5752, ROOT-OS-DEBIAN-11-CVE-2026-43246, ROOT-OS-UBUNTU-2204-CVE-2026-43246, ROOT-OS-UBUNTU-2404-CVE-2026-43246 and 1 more.