CVE-2025-62626

Nov. 21, 2025, 7:16 p.m.

7.2
High

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.

Product(s) Impacted

Vendor Product Versions
Amd
  • Cpu
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-333
Improper Handling of Insufficient Entropy in TRNG
True random number generators (TRNG) generally have a limited source of entropy and therefore can fail or block.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a amd cpu / / / / / / / /

References

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

Tags

psirt@amd.com
2025-11-21
CVE-2025-62626
CWE-333

CVSS Score

7.2 / 10

CVSS Data - 4.0

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Attack Requirements: PRESENT
  • Privileges Required: LOW
  • User Interaction: NONE
  • Scope:
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: NONE
  • Exploit Maturity: NOT_DEFINED

    • 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

    View Vector String

Timeline

Published: Nov. 21, 2025, 7:16 p.m.
Last Modified: Nov. 21, 2025, 7:16 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

psirt@amd.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.