CVE-2022-49475 spi: spi-fsl-qspi: check return value after calling platform_get_resource_byname()
A missing null check in the Linux kernel's FSL QSPI driver can lead to a null pointer dereference and 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-2022-49475?
CVE-2022-49475 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:
spi: spi-fsl-qspi: check return value after calling platform_get_resource_byname()
It will cause null-ptr-deref if platform_get_resource_byname() returns NULL, we need check the return value.
Weakness: CWE-476
Which versions are affected by CVE-2022-49475?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49475?
Apply the vendor's patch.
Is CVE-2022-49475 being exploited?
There is no known exploitation of CVE-2022-49475 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49475, GHSA-xf2q-qg27-ggxv, UBUNTU-CVE-2022-49475.