SB2024031837 - Denial of service in OpenBSD vmm
Published: March 18, 2024
Security Bulletin ID
SB2024031837
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: N/A)
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.
Remediation
Install update from vendor's website.