CVE-2022-50143 intel_th: Fix a resource leak in an error handling path

Medium 5.5 Published Updated

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.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-50143, GHSA-w55r-6729-mr2m, UBUNTU-CVE-2022-50143.

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