CVE-2024-41721 bhyve(8) out-of-bounds read access via XHCI emulation

High 8.1 Published Updated

An out-of-bounds read in FreeBSD's bhyve XHCI emulation can lead to arbitrary write and remote code execution.

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-2024-41721?

CVE-2024-41721 is a high-severity memory corruption vulnerability in FreeBSD, published on 20 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An insufficient boundary validation in the USB code could lead to an out-of-bounds read on the heap, which could potentially lead to an arbitrary write and remote code execution.

Weakness: CWE-125

Which versions are affected by CVE-2024-41721?

How do I fix CVE-2024-41721?

No fix has been published for CVE-2024-41721 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-41721 being exploited?

There is no known exploitation of CVE-2024-41721 in the wild and no public exploit code.

Sources

Also known as GHSA-77f2-r3qh-x5x7.

Is CVE-2024-41721 in your software?

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