Predictable Seed in Pseudo-Random Number Generator (PRNG) in Intel products - CVE-2025-20613

Vulnerability identifier: #VU114113

CSH Severity: Low

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

CVE-ID: CVE-2025-20613

CWE-ID: CWE-337

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 compromise the system.

The vulnerability exists due to predictable seed in the pseudo-random number generator in the firmware. A local user can gain access to sensitive information on the target system.

Install updates from vendor's website.

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