CVE-2024-41928

bhyve(8) privileged guest escape via TPM device passthrough

Published Sep 5, 2024 CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Description
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 process.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Freebsd
Freebsd freebsd
CPEs cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
Vendors & Products Freebsd
Freebsd freebsd
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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 process.
Title bhyve(8) privileged guest escape via TPM device passthrough
Weaknesses CWE-125
CWE-1285
CWE-787
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
freebsd
Published
Updated
Sep 20, 2024, 4:03 PM
Reserved
Aug 27, 2024, 4:30 PM
Status
Deferred
Published
Sep 5, 2024, 4:15 AM
Modified
Jun 17, 2026, 7:48 AM