3 matches found
CVE-2024-8178
The ctlwritebuffer and ctlreadbuffer functions allocated memory to be returned to userspace, without initializing it. Malicious software running in a guest VM that exposes virtioscsi can exploit the vulnerabilities to achieve code execution on the host in the bhyve userspace process, which...
CVE-2024-42416
CVE-2024-42416 affects FreeBSD ctl(4) CAM Target Layer: ctl_report_supported_opcodes did not properly validate a field from userspace, enabling an arbitrary write into limited kernel help memory. Impact: guest VMs using virtio_scsi can abuse this to execute code on the host bhyve process (root), ...
CVE-2024-41928
Malicious software running in a guest VM can exploit the buffer overflow 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...