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TI-2025-05610 Aliases CVE-2025-6202GHSA-67cc-pc26-7w4w

Phoenix: Rowhammer attack on Hynix DDR5 devices

Priority MEDIUM 64CWE-404Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00335 27th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SK HynixDDR5DIMMs produced from 2021-1 until 2024-12—No fix listedCNA
  • DDR5 VendorSK Hynix Affected DIMMs produced from 2021-1 until 2024-12 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-6202
  2. 2026-10-03 Alias added: GHSA-67cc-pc26-7w4w

References

  • TI-2021-18622 Scalable Rowhammering In the Frequency Domain to Bypass TRR Mitigations On Modern DDR4/LPDDR4X Devices CVSS 3.1CRITICAL 9.0
  • TI-2020-08266 Modern DRAM chips (DDR4 and LPDDR4 after 2015) are affected by a vulnerability in… CVSS 3.1CRITICAL 9.0

Sources