SB2024053191 - Use-after-free in Linux kernel peci driver
Published: May 31, 2024 Updated: May 14, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-48670)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the adev_release() and unregister_adev() functions in drivers/peci/cpu.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.