SB2023080751 - Input validation error in Insyde Kernel
Published: August 7, 2023 Updated: September 19, 2023
Security Bulletin ID
SB2023080751
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2023-27373)
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to insufficient validation of user-supplied input. A local user can tamper with a runtime-accessible EFI variable and cause a dynamic BAR setting to overlap SMRAM.
Remediation
Install update from vendor's website.