CVE-2022-49046 i2c: dev: check return value when calling dev_set_name()
A missing return value check in the Linux kernel i2c driver can lead to a null pointer dereference, causing 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-2022-49046?
CVE-2022-49046 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:
i2c: dev: check return value when calling dev_set_name()
If dev_set_name() fails, the dev_name() is null, check the return value of dev_set_name() to avoid the null-ptr-deref.
Weakness: CWE-476
Which versions are affected by CVE-2022-49046?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49046?
Apply the vendor's patch.
Is CVE-2022-49046 being exploited?
There is no known exploitation of CVE-2022-49046 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49046, GHSA-h4rq-6m62-ghjm, UBUNTU-CVE-2022-49046.