Rescana

Critical SEV-SNP Vulnerability in AMD Zen 1 Processors Identified

First seen 25 Jan 2026, 21:53 UTC • Rescana

•86% similarity •31.0

Ask AI about this cluster

Article Content

Include sub-articles 1 / 1

Browse articles

ThreatCluster

The StackWarp vulnerability (CVE-2025-29943) affects AMD Zen 1–5 processors utilizing Secure Encrypted Virtualization – Secure Nested Paging (SEV-SNP). This critical hardware flaw allows a privileged attacker to manipulate the stack pointer of a guest virtual machine, posing risks to confidential computing environments.

ThreatCluster AI How this analysis works

Attack Flow

8 entities, 13 inferred relationships (STIX 2.1).

Technique (1)

Zero-day Exploit

Vulnerability (2)

CVE-2025-29943
StackWarp

Affected Platform (5)

EPYC Embedded 7003
EPYC Embedded 8004
EPYC Embedded 9005
Sev-snp
OpenSSH

Relationships

CVE-2025-29943 targets EPYC Embedded 7003
CVE-2025-29943 targets EPYC Embedded 8004
CVE-2025-29943 targets EPYC Embedded 9005
CVE-2025-29943 targets Sev-snp
StackWarp targets EPYC Embedded 7003
StackWarp targets EPYC Embedded 8004
StackWarp targets EPYC Embedded 9005
StackWarp targets Sev-snp
Zero-day Exploit targets EPYC Embedded 7003
Zero-day Exploit targets EPYC Embedded 8004
Zero-day Exploit targets EPYC Embedded 9005
Zero-day Exploit targets Sev-snp
CVE-2025-29943 related to OpenSSH

Community

Browse all →

Tracked Entities in This Story

EPYC Embedded 7003 EPYC Embedded 8004 EPYC Embedded 9005 Sev-snp OpenSSH

Critical SEV-SNP Vulnerability in AMD Zen 1 Processors Identified

Ask AI about this cluster

Article Content

More articles in this cluster

Attack Flow

Defensive Countermeasures

Extracted Entities

Community

Continue Reading

Tracked Entities in This Story