CVE-2022-49618 pinctrl: aspeed: Fix potential NULL dereference in aspeed_pinmux_set_mux()

Medium 5.5 Published Updated

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.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-49618, GHSA-r2rv-4r79-qgqh, UBUNTU-CVE-2022-49618.

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