In FreeBSD 13.0-STABLE before n246941-20f96f215562, 12.2-STABLE before r370400, 11.4-STABLE before r370399, 13.0-RELEASE before p4, 12.2-RELEASE before p10, and 11.4-RELEASE before p13, certain VirtIO-based device models in bhyve failed to handle errors when fetching I/O descriptors. A malicious guest may cause the device model to operate on uninitialized I/O vectors leading to memory corruption, crashing of the bhyve process, and possibly arbitrary code execution in the bhyve process.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: freebsd

Published: 2021-08-30T18:00:15

Updated: 2024-08-03T22:11:06.287Z

Reserved: 2021-03-30T00:00:00

Link: CVE-2021-29631

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-08-30T18:15:08.923

Modified: 2024-11-21T06:01:32.053

Link: CVE-2021-29631

cve-icon Redhat

No data.