CVE-2021-47181 usb: musb: tusb6010: check return value after calling platform_get_resource()
A missing null check in the Linux kernel's tusb6010 USB driver can cause a null pointer dereference, leading to a system crash.
- 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-2021-47181?
CVE-2021-47181 is a medium-severity vulnerability in Linux kernel, published on 10 Apr 2024. 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:
usb: musb: tusb6010: check return value after calling platform_get_resource()
It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.
Weakness: CWE-476
Which versions are affected by CVE-2021-47181?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2021-47181?
Apply the vendor's patch.
Is CVE-2021-47181 being exploited?
There is no known exploitation of CVE-2021-47181 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2021-47181, GHSA-m7v2-w8fj-6f24, UBUNTU-CVE-2021-47181.