Information disclosure in OpenBSD - #VU14810
Published: September 20, 2018
Vulnerability identifier: #VU14810
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: OpenBSD
Affected software:
OpenBSD
OpenBSD
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to improper access control to LDTR registry on AMD systems in sys/arch/amd64/amd64/vmm_support.S. A remote attacker with access to virtual machine can access data in LDTR registry that belong to another virtual machine.
Remediation
Install patch from vendor's website.