CVE-2025-62626

HIGH

AMD Ryzen 9000HX Series and EPYC 9005 Series Processors - Insufficient Entropy in TRNG

Title source: llm

Description

Improper handling of insufficient entropy in the AMD CPUs could allow a local attacker to influence the values returned by the RDSEED instruction, potentially resulting in the consumption of insufficiently random values.

References (1)

Core 1

Core References

Vendor Advisory

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7055.html

Scores

CVSS v4 7.2

EPSS 0.0002

EPSS Percentile 5.0%

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-333

Status published

Products (2)

AMD/AMD EPYC™ 9005 Series Processors Turin C1 : 0x0B00215A Turin Dense / B0: 0x0B101054

AMD/AMD Ryzen™ 9000HX Series Processors FireRangeFL1PI 1.0.0.0e

Published Nov 21, 2025

Tracked Since Feb 18, 2026