Insufficient Control Flow Management in Intel products - CVE-2021-33122

Vulnerability identifier: #VU63175

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-33122

CWE-ID: CWE-691

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: Intel

Affected software:
Rocket Lake Xeon
Intel Core Processors with Intel Hybrid Technology
10th Generation Intel Core Processors
Intel Pentium Silver N6000 Processors
Intel Celeron N4000 Processors
Intel Pentium Silver N5000 Processors
11th Generation Intel Core Processors
9th Generation Intel Core Processors

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

The vulnerability exists due to insufficient control flow management in the BIOS firmware. A local user can run a specially crafted program to execute arbitrary code with elevated privileges.

Install updates from vendor's website.

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00601.html