CVE-2022-50024 dmaengine: dw-axi-dmac: do not print NULL LLI during error
A null pointer dereference in the Linux kernel DMA engine driver can cause a system crash, leading to 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-2022-50024?
CVE-2022-50024 is a medium-severity vulnerability in Linux kernel, published on 18 Jun 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:
dmaengine: dw-axi-dmac: do not print NULL LLI during error
During debugging we have seen an issue where axi_chan_dump_lli() is passed a NULL LLI pointer which ends up causing an OOPS due to trying to get fields from it. Simply print NULL LLI and exit to avoid this.
Weakness: CWE-476
Which versions are affected by CVE-2022-50024?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-50024?
Apply the vendor's patch.
Is CVE-2022-50024 being exploited?
There is no known exploitation of CVE-2022-50024 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-50024, GHSA-h3m2-qjg9-r764, ROOT-OS-DEBIAN-11-CVE-2022-50024, UBUNTU-CVE-2022-50024.