CVE-2021-47279 usb: misc: brcmstb-usb-pinmap: check return value after calling platform_get_resource()
A missing null check in the Linux kernel's brcmstb-usb-pinmap 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
- None listed
What is CVE-2021-47279?
CVE-2021-47279 is a medium-severity vulnerability in Linux kernel, published on 21 May 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: misc: brcmstb-usb-pinmap: 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-2021-47279?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2021-47279?
No fix has been published for CVE-2021-47279 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-47279 being exploited?
There is no known exploitation of CVE-2021-47279 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-39gw-mq6q-79fw, UBUNTU-CVE-2021-47279.