Unrated severityNVD Advisory· Published Aug 30, 2021· Updated Aug 3, 2024
CVE-2021-29631
CVE-2021-29631
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- FreeBSD/FreeBSDdescription
Patches
Vulnerability mechanics
References
2- security.freebsd.org/advisories/FreeBSD-SA-21:13.bhyve.ascmitrex_refsource_MISC
- security.netapp.com/advisory/ntap-20210923-0004/mitrex_refsource_CONFIRM
News mentions
0No linked articles in our index yet.