CVE-2022-3110 Null dereference in Kernel

Medium 5.5 Published Updated

A missing return value check in the r8188eu driver causes a null pointer dereference, leading to a denial of service in the Linux kernel.

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-2022-3110?

CVE-2022-3110 is a medium-severity vulnerability in Linux kernel, published on 14 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in the Linux kernel through 5.16-rc6. _rtw_init_xmit_priv in drivers/staging/r8188eu/core/rtw_xmit.c lacks check of the return value of rtw_alloc_hwxmits() and will cause the null pointer dereference.

Weakness: CWE-476

Which versions are affected by CVE-2022-3110?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-3110?

Apply the vendor's patch.

Is CVE-2022-3110 being exploited?

There is no known exploitation of CVE-2022-3110 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as AZL-11610, DEBIAN-CVE-2022-3110, GHSA-g4vx-757m-g7rm, UBUNTU-CVE-2022-3110.

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