CVE-2026-23196 HID: Intel-thc-hid: Intel-thc: Add safety check for reading DMA buffer
A missing safety check in the Intel THC HID driver allows a local attacker to trigger a NULL pointer dereference, causing a system crash.
- 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-2026-23196?
CVE-2026-23196 is a medium-severity vulnerability in Linux kernel, published on 14 Feb 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:
HID: Intel-thc-hid: Intel-thc: Add safety check for reading DMA buffer
Add DMA buffer readiness check before reading DMA buffer to avoid unexpected NULL pointer accessing.
Weakness: CWE-476
Which versions are affected by CVE-2026-23196?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-23196?
Apply the vendor's patch.
Is CVE-2026-23196 being exploited?
There is no known exploitation of CVE-2026-23196 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-23196, DEBIAN-CVE-2026-23196, GHSA-hqf5-283c-2wrw, ROOT-OS-UBUNTU-2204-CVE-2026-23196, ROOT-OS-UBUNTU-2404-CVE-2026-23196, UBUNTU-CVE-2026-23196.