SB2024070419 - Improper resource shutdown or release in Linux kernel kvm vmx
Published: July 4, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2021-47092)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to failure to properly release resources within the vmx_vcpu_run() function in arch/x86/kvm/vmx/vmx.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.