Buffer overflow in Intel products - CVE-2025-21096

Vulnerability identifier: #VU114119

CSH Severity: Low

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

CVE-ID: CVE-2025-21096

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: Intel

Affected software:
Intel 4th Generation Intel Xeon Scalable Processors
Intel 5th Generation Intel Xeon Scalable Processors
Intel Xeon 6 processor with E-cores
Intel Xeon 6 processor with P-cores
Intel Trust Domain Extensions (TDX) module

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

The vulnerability exists due to a boundary error in the firmware. A local administrator can trigger memory corruption and gain elevated privileges on the target system.

Install updates from vendor's website.

• https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01312.html