SB2025051921 - Multiple vulnerabilities in Intel Intel Xeon 6 processor with E-cores

Description

This security bulletin contains information about 3 vulnerabilities.

1) Improper restriction of software interfaces to hardware features (CVE-ID: CVE-2024-48869)

CWE-ID: CWE-1256 - Improper restriction of software interfaces to hardware features

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

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

The vulnerability exists due to improper restriction of software interfaces to hardware features when using Intel TDX or SGX, which leads to security restrictions bypass and privilege escalation.

2) Improper access control (CVE-ID: CVE-2025-20100)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/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 gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the memory controller configurations. A local administrator can bypass implemented security restrictions and gain elevated privileges on the target system.

3) Insufficient Control Flow Management (CVE-ID: CVE-2025-20004)

CWE-ID: CWE-691 - Insufficient Control Flow Management

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/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 insufficient control flow management in the Alias Checking Trusted Module. A local administrator can gain elevated privileges on the target system.

Remediation

Install update from vendor's website.

References

• https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01268.html
• https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01278.html
• https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01273.html