CVE-2025-6202

Phoenix: Rowhammer attack on Hynix DDR5 devices

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.

Affected

SK Hynix · DDR5

CVSS v4.0 NCSC

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

EPSS

0.31% chance of exploitation in the next 30 days, 22nd percentile

Published

2025-09-15

Proof-of-concept exploits (2)

• demining/Phoenix-Rowhammer-Attack-CVE-2025-62025★ · 2025-10-12
• anonymmousx45-ops/Phoenix-eye0★ · 2026-01-15

References

• CVE Record
• NVD entry

Related

• CVE-2008-0166
• CVE-2021-44228
• CVE-2022-26134
• CVE-2025-27840
• CVE-2025-48561
• CVE-2025-60013