SB2025051433 - Multiple vulnerabilities in Intel Server Board D50DNP and M50FCP

Description

This security bulletin contains information about 6 secuirty vulnerabilities.

1) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2025-20082)

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition in the UEFI firmware SmiVariable driver. A local administrator can gain elevated privileges on the target system.

2) Input validation error (CVE-ID: CVE-2025-24308)

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

The vulnerability exists due to insufficient validation of user-supplied input in the UEFI firmware error handler. A local administrator can pass specially crafted input to the application and gain elevated privileges on the target system.

3) Input validation error (CVE-ID: CVE-2025-21094)

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

The vulnerability exists due to insufficient validation of user-supplied input in the UEFI firmware DXE module. A local administrator can pass specially crafted input to the application and gain elevated privileges on the target system.

4) Input validation error (CVE-ID: CVE-2025-20034)

The vulnerability allows a local user to gain access to sensitive information on the system.

The vulnerability exists due to insufficient validation of user-supplied input in the BackupBiosUpdate UEFI firmware SmiVariable driver. A local administrator can pass specially crafted input to the application and disclose sensitive information.

5) Input validation error (CVE-ID: CVE-2025-20009)

The vulnerability allows a local user to gain access to sensitive information on the system.

The vulnerability exists due to insufficient validation of user-supplied input in the UEFI firmware GenerationSetup module. A local administrator can pass specially crafted input to the application and disclose sensitive information.

6) Improper Initialization (CVE-ID: CVE-2025-21100)

The vulnerability allows a local user to gain access to sensitive information on the system.

The vulnerability exists due to improper initialization in the UEFI firmware. A local administrator can disclose sensitive information. 

Remediation

Install update from vendor's website.

References

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01269.html