{"id":"CVE-2024-32668","aliases":["EUVD-2024-34466","GHSA-94j5-29m8-f8jq"],"status":"published","title":"bhyve(8) privileged guest escape via USB controller","description":"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.\n\nA 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.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00213,"percentile":0.11728,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-193","CWE-787"],"published":"2024-09-05T04:42:25Z","modified":"2026-06-17T07:30:11Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-24:12.bhyve.asc","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20240920-0007/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-32668"},{"url":"https://github.com/advisories/GHSA-94j5-29m8-f8jq"}],"sources":{"cve":[{"id":"CVE-2024-32668","title":"bhyve(8) privileged guest escape via USB controller","description":"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.\n\nA 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.","status":"published","published":"2024-09-05T04:42:25.457Z","modified":"2024-09-20T16:03:06.718Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-193","CWE-787"],"updated_at":"2026-11-02T14:34:15.662528Z"}],"euvd":[{"id":"EUVD-2024-34466","description":"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.\n\nA 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.","status":"published","published":"2024-09-05T04:42:25Z","modified":"2024-09-20T16:03:06Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:17.874342Z"}],"ghsa":[{"id":"GHSA-94j5-29m8-f8jq","title":"An insufficient boundary validation in the USB code could lead to an out-of-bounds write on the...","description":"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.\n\nA 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.","status":"published","published":"2024-09-05T06:31:34Z","modified":"2024-09-05T21:31:34Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-193","CWE-787"],"updated_at":"2026-11-02T14:58:10.812405Z"}],"nvd":[{"id":"CVE-2024-32668","description":"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.\n\nA 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.","status":"published","published":"2024-09-05T05:15:13.433Z","modified":"2026-06-17T07:30:11.59Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-193","CWE-787"],"updated_at":"2026-11-02T14:10:24.514378Z"}]}}