CVE-2022-50143 intel_th: Fix a resource leak in an error handling path
A resource leak in the Linux kernel's intel_th driver can lead to memory exhaustion and denial of service if an error occurs during initialization.
- 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-2022-50143?
CVE-2022-50143 is a medium-severity denial of service 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:
intel_th: Fix a resource leak in an error handling path
If an error occurs after calling 'pci_alloc_irq_vectors()', 'pci_free_irq_vectors()' must be called as already done in the remove function.
Weakness: CWE-401
Which versions are affected by CVE-2022-50143?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-50143?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-50143 being exploited?
There is no known exploitation of CVE-2022-50143 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-50143, GHSA-w55r-6729-mr2m, UBUNTU-CVE-2022-50143.