CVE-2024-51564 bhyve(8) infinite loop in the hda audio driver

High 7.5 Published Updated

A malicious guest can trigger an infinite loop in the FreeBSD bhyve hda audio driver, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-51564?

CVE-2024-51564 is a high-severity denial of service vulnerability in FreeBSD, published on 12 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A guest can trigger an infinite loop in the hda audio driver.

Weakness: CWE-1285

Which versions are affected by CVE-2024-51564?

How do I fix CVE-2024-51564?

No fix has been published for CVE-2024-51564 yet. Limit exposure of the affected software until one is available.

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-2024-51564 being exploited?

There is no known exploitation of CVE-2024-51564 in the wild and no public exploit code.

Sources

Also known as GHSA-m28q-9cc4-gj6h.

Is CVE-2024-51564 in your software?

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