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.
CVSS Metrics
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- local
- Complexity
- low
- Privileges
- low
- User Action
- none
- Scope
- unchanged
- Confidentiality
- high
- Integrity
- high
- Availability
- high
- Weaknesses
- CWE-908
Metadata
- Primary Vendor
- FREEBSD
- Published
- 8/30/2021
- Last Modified
- 11/21/2024
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
freebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsdfreebsd : freebsd
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