CVE-2024-42087 drm/panel: ilitek-ili9881c: Fix warning with GPIO controllers that sleep
A kernel warning triggered by sleeping GPIO controllers in the ilitek-ili9881c panel driver can lead to system instability or 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-2024-42087?
CVE-2024-42087 is a medium-severity denial of service vulnerability in Linux kernel, published on 29 Jul 2024. 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:
drm/panel: ilitek-ili9881c: Fix warning with GPIO controllers that sleep
The ilitek-ili9881c controls the reset GPIO using the non-sleeping gpiod_set_value() function. This complains loudly when the GPIO controller needs to sleep. As the caller can sleep, use gpiod_set_value_cansleep() to fix the issue.
Which versions are affected by CVE-2024-42087?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-42087?
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-2024-42087 being exploited?
There is no known exploitation of CVE-2024-42087 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-42087, DEBIAN-CVE-2024-42087, GHSA-h4v4-8v96-h2hw, UBUNTU-CVE-2024-42087.