CVE-2025-6202

Phoenix: Rowhammer attack on Hynix DDR5 devices

HIGH
7.1
CVSS Score
Published: September 15, 2025 at 03:06 PM UTC
Updated: June 17, 2026 at 10:01 AM UTC
1 product affected across 1 vendorDDR5

Using DDR5 by SK Hynix?

Get instant alerts when new vulnerabilities affect DDR5 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.1
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2021-1 ≤ v < 2024-12
Affected range stops below 2024-12, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHNCSC.ch
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-404

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card