#VU20353 Resource management error in FreeBSD

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Main Vulnerability Database Vulnerabilities #VU20353

#VU20353 Resource management error in FreeBSD

Published: August 21, 2019


Vulnerability identifier: #VU20353
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-399
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
FreeBSD
Software vendor:
FreeBSD Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to absent handling of certain instructions in bhyve(8). A remote attacker with access to guest operating system can use the unsupported instructions to crash the bhyve hypervisor.


Remediation

Install updates from vendor's website.

External links