CVE-2022-49392 serial: 8250_aspeed_vuart: Fix potential NULL dereference in aspeed_vuart_probe
A missing NULL check in the Aspeed VUART driver probe function can cause a kernel crash, leading to denial of service.
- 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-2022-49392?
CVE-2022-49392 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:
serial: 8250_aspeed_vuart: Fix potential NULL dereference in aspeed_vuart_probe
platform_get_resource() may fail and return NULL, so we should better check it's return value to avoid a NULL pointer dereference.
Weakness: CWE-476
Which versions are affected by CVE-2022-49392?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49392?
Apply the vendor's patch.
Is CVE-2022-49392 being exploited?
There is no known exploitation of CVE-2022-49392 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49392, GHSA-r527-4r6f-fjr3, UBUNTU-CVE-2022-49392.