CVE-2024-38591 RDMA/hns: Fix deadlock on SRQ async events.

Medium 5.5 Published Updated

A deadlock in the Linux kernel RDMA driver allows attackers to cause a denial of service via shared receive queue async events.

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-2024-38591?

CVE-2024-38591 is a medium-severity vulnerability in Linux kernel, published on 19 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:

RDMA/hns: Fix deadlock on SRQ async events.

xa_lock for SRQ table may be required in AEQ. Use xa_store_irq()/ xa_erase_irq() to avoid deadlock.

Weakness: CWE-667

Which versions are affected by CVE-2024-38591?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-38591?

Apply the vendor's patch.

Is CVE-2024-38591 being exploited?

There is no known exploitation of CVE-2024-38591 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-38591, DEBIAN-CVE-2024-38591, GHSA-mhr3-x4xm-6j7c, UBUNTU-CVE-2024-38591.

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