CVE-2024-38632 vfio/pci: fix potential memory leak in vfio_intx_enable()

Medium 5.5 Published Updated

A memory leak in the Linux kernel's VFIO PCI driver can lead to resource exhaustion and 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-2024-38632?

CVE-2024-38632 is a medium-severity denial of service vulnerability in Linux kernel, published on 21 Jun 2024. 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:

vfio/pci: fix potential memory leak in vfio_intx_enable()

If vfio_irq_ctx_alloc() failed will lead to 'name' memory leak.

Weakness: CWE-401

Which versions are affected by CVE-2024-38632?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-38632?

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-2024-38632 being exploited?

There is no known exploitation of CVE-2024-38632 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-38632, DEBIAN-CVE-2024-38632, GHSA-27fg-vf5m-qmjj, ROOT-OS-DEBIAN-11-CVE-2024-38632, UBUNTU-CVE-2024-38632.

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