CVE-2024-32668 — bhyve(8) privileged guest escape via USB controller
An insufficient boundary validation in the USB code could lead to an out-of-bounds write on the heap, with data controlled by the caller. A malicious, privileged software runni…
Published: 2024-09-05 · CVSS: 8.2 · CVSS 3.1
An insufficient boundary validation in the USB code could lead to an out-of-bounds write on the heap, with data controlled by the caller. A malicious, privileged software running in a guest VM can exploit the vulnerability to achieve code execution on the host in the bhyve userspace process, which typically runs as root. Note that bhyve runs in a Capsicum sandbox, so malicious code is constrained by the capabilities available to the bhyve process.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7