In FreeBSD 12.1-STABLE before r357490, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r357489, and 11.3-RELEASE before 11.3-RELEASE-p7, incorrect use of a user-controlled pointer in the epair virtual network module allowed vnet jailed privileged users to panic the host system and potentially execute arbitrary code in the kernel.
This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.1, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction . 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 2020, 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.
2020-04-29T00:15:12.047
2024-11-21T05:37:10.383
Modified
CVSSv3.1: 9.1 (CRITICAL)
AV:N/AC:L/Au:S/C:C/I:C/A:C
8.0
10.0
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | freebsd | freebsd | 11.3 | Yes |
| Operating System | freebsd | freebsd | 11.3 | Yes |
| Operating System | freebsd | freebsd | 11.3 | Yes |
| Operating System | freebsd | freebsd | 11.3 | Yes |
| Operating System | freebsd | freebsd | 11.3 | Yes |
| Operating System | freebsd | freebsd | 11.3 | Yes |
| Operating System | freebsd | freebsd | 11.3 | Yes |
| Operating System | freebsd | freebsd | 12.1 | Yes |
| Operating System | freebsd | freebsd | 12.1 | Yes |
| Operating System | freebsd | freebsd | 12.1 | 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.