CVE-2026-89868 media: chips-media: wave5: Add timeout while stop_streaming
A local attacker can cause a denial of service in the Linux kernel via an infinite loop in the wave5 media driver's stop_streaming function.
- 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-2026-89868?
CVE-2026-89868 is a denial of service vulnerability in Linux, published on 16 Sep 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: chips-media: wave5: Add timeout while stop_streaming
When stop_streaming is called, an infinite loop may occur in some cases. Add a bounded poll of the queue status: loop until the queues drain, sleeping briefly between polls, and bail out once VPU_DEC_STOP_TIMEOUT elapses.
Which versions are affected by CVE-2026-89868?
How do I fix CVE-2026-89868?
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-2026-89868 being exploited?
There is no known exploitation of CVE-2026-89868 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-89868, DEBIAN-CVE-2026-89868, GHSA-r4x2-4p88-7fm7, UBUNTU-CVE-2026-89868.