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

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-09-20 · updated 2026-06-17
Weakness: CWE-125

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.

Affected products

FreeBSD: from 14.1 before 14.1_p5; from 14.0 before 14.0_p11; from 13.4 before 13.4_p1; from 13.3 before 13.3_p7 — fixed in 13.3_p7, 13.4_p1, 14.0_p11, 14.1_p5

How to fix

Upgrade to a fixed version: FreeBSD 13.3_p7, 13.4_p1, 14.0_p11, 14.1_p5. Check the vendor advisory for mitigations.

References

https://security.freebsd.org/advisories/FreeBSD-SA-24:15.bhyve.asc
https://security.netapp.com/advisory/ntap-20240926-0009/

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