CVE-2025-6202 HIGH

CVE-2025-6202: Phoenix: Rowhammer attack on Hynix DDR5 devices

Vendor Sk Hynix
Product DDR5
Published September 15, 2025
Last update September 15, 2025

CVSS base score

7.1/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

Vulnerability in SK Hynix DDR5 on x86 allows a local attacker to trigger Rowhammer bit flips impacting the Hardware Integrity and the system's security. This issue affects DDR5: DIMMs produced from 2021-1 until 2024-12.

Key dates

02Disclosure timeline

September 15, 2025 CVE published
September 15, 2025 Record updated