CVE-2022-49618 pinctrl: aspeed: Fix potential NULL dereference in aspeed_pinmux_set_mux()
A null pointer dereference in the Linux kernel pinctrl driver can cause a system crash, requiring a kernel patch to resolve.
- 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-2022-49618?
CVE-2022-49618 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:
pinctrl: aspeed: Fix potential NULL dereference in aspeed_pinmux_set_mux()
pdesc could be null but still dereference pdesc->name and it will lead to a null pointer access. So we move a null check before dereference.
Weakness: CWE-476
Which versions are affected by CVE-2022-49618?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49618?
Apply the vendor's patch.
Is CVE-2022-49618 being exploited?
There is no known exploitation of CVE-2022-49618 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49618, GHSA-r2rv-4r79-qgqh, UBUNTU-CVE-2022-49618.