SB2025052110 - Use-after-free in Linux kernel x86 kvm



SB2025052110 - Use-after-free in Linux kernel x86 kvm

Published: May 21, 2025

Security Bulletin ID SB2025052110
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2025-37957)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the shutdown_interception() function in arch/x86/kvm/svm/svm.c, within the kvm_smm_changed() function in arch/x86/kvm/smm.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.