The implementation of lib9p's handling of RWALK messages was missing a bounds check needed when unpacking the message contents. The missing check means that the receipt of a specially crafted message will cause lib9p to overwrite unrelated memory. The bug can be triggered by a malicious bhyve guest kernel to overwrite memory in the bhyve(8) process. This could potentially lead to user-mode code execution on the host, subject to bhyve's Capsicum sandbox.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 1 product from freebsd organizations running these solutions should prioritize assessment and patching.
Reported in 2024, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2024-02-15T06:15:45.190
2025-06-04T22:09:43.293
Analyzed
CVSSv3.1: 8.8 (HIGH)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.0 | Yes |
| Operating System | freebsd | freebsd | 13.1 | Yes |
| Operating System | freebsd | freebsd | 13.1 | Yes |
| Operating System | freebsd | freebsd | 13.1 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For freebsd's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.