Resource management error in OpenBSD - #VU87591
Published: March 18, 2024
Vulnerability identifier: #VU87591
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to vmm(4) does not restore GDTR limits properly on Intel (VMX) CPUs within the vcpu_run_vmx() function in sys/arch/amd64/amd64/vmm_machdep.c. A local user can perform a denial of service (DoS) attack.
Affected software
OpenBSD
Remediation
Install updates from vendor's website.