CVE-2022-49071 drm/panel: ili9341: fix optional regulator handling
A null pointer dereference in the Linux kernel's ili9341 panel driver can cause a system crash when an optional regulator lookup fails.
- 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-2022-49071?
CVE-2022-49071 is a medium-severity vulnerability in Linux kernel, published on 26 Feb 2025. 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: ili9341: fix optional regulator handling
If the optional regulator lookup fails, reset the pointer to NULL. Other functions such as mipi_dbi_poweron_reset_conditional() only do a NULL pointer check and will otherwise dereference the error pointer.
Weakness: CWE-476
Which versions are affected by CVE-2022-49071?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49071?
Apply the vendor's patch.
Is CVE-2022-49071 being exploited?
There is no known exploitation of CVE-2022-49071 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49071, GHSA-73mr-q86f-ghmp, UBUNTU-CVE-2022-49071.