CVE-2022-3110 Null dereference in Kernel
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.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-11610, DEBIAN-CVE-2022-3110, GHSA-g4vx-757m-g7rm, UBUNTU-CVE-2022-3110.