VulnSocial

CVE-2025-61972Disclosure

LOWCVSS 8.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network (SMN) access, potentially resulting in arbitrary code execution in AMD Secure Processor (ASP) and loss of the SEV-SNP guest's confidentiality and integrity.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-1233

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-12: 1Technical Details · 2026-05-12: 105-12
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Shweta Shinde@shw3ta_shinde
    Disclosure

    BreakFAST is a confused-deputy attack on the AMD Infinity Fabric that breaks SEV-SNP. After Fabricked, 2nd instance of a broader family: Interconnect Corruption Attacks (XCA). CVE-2025-61971 and CVE-2025-61972 (CVSS Score 8.5) https://xca-attacks.github.io #ConfidentialComputing #AMD

    Post summary

    The post announces new CVEs targeting AMD Infinity Fabric with a 8.5 CVSS score and links to a website, but it provides no PoC, exploit code, active usage evidence, or mitigation advice.

    100801.0K
    1.1K followersView on X

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