SB2022030831 - Privilege escalation in Microsoft Windows PDEV
Published: March 8, 2022 Updated: March 9, 2022
Security Bulletin ID
SB2022030831
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-23299)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error when handling PDEV objects in win32kfull driver. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.