CVE-2026-89876 media: tda18250: fix possible integer overflow
An integer overflow in the Linux kernel tda18250 driver can cause undefined behavior, potentially leading to a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-89876?
CVE-2026-89876 is a 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: tda18250: fix possible integer overflow
Integer overflow may occur, when variable exp equals to zero. Result of shift 1 << (exp - 1) may then leads to undefined behavior.
Which versions are affected by CVE-2026-89876?
How do I fix CVE-2026-89876?
Apply the vendor's patch.
Is CVE-2026-89876 being exploited?
There is no known exploitation of CVE-2026-89876 in the wild and no public exploit code.
Sources
Also known as AZL-101403, BELL-CVE-2026-89876, DEBIAN-CVE-2026-89876, GHSA-4j9w-h83m-2cp5, UBUNTU-CVE-2026-89876.