CVE-2022-49544 ipw2x00: Fix potential NULL dereference in libipw_xmit()
A NULL pointer dereference in the ipw2x00 wireless driver can cause a system crash, requiring a kernel patch to prevent 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-2022-49544?
CVE-2022-49544 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:
ipw2x00: Fix potential NULL dereference in libipw_xmit()
crypt and crypt->ops could be null, so we need to checking null before dereference
Weakness: CWE-476
Which versions are affected by CVE-2022-49544?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49544?
Apply the vendor's patch.
Is CVE-2022-49544 being exploited?
There is no known exploitation of CVE-2022-49544 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49544, GHSA-jq77-q43w-6q5m, UBUNTU-CVE-2022-49544.