CVE-2024-51563 bhyve(8) virtio_vq_recordon time-of-check to time-of-use race
A time-of-check to time-of-use race condition in the FreeBSD bhyve hypervisor's virtio_vq_recordon function may lead to undefined behavior or security issues.
- 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-2024-51563?
CVE-2024-51563 is a medium-severity 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
The virtio_vq_recordon function is subject to a time-of-check to time-of-use (TOCTOU) race condition.
Weakness: CWE-367
Which versions are affected by CVE-2024-51563?
How do I fix CVE-2024-51563?
No fix has been published for CVE-2024-51563 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-51563 being exploited?
There is no known exploitation of CVE-2024-51563 in the wild and no public exploit code.
Sources
Also known as GHSA-xxc6-q6r3-h584.