CVE-2023-20592
high-risk
Published 2023-11-14
Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.
Do I need to act?
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0.36% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10
Medium
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
References (2)
53
/ 100
high-risk
Severity
24/34 · High
Exploitability
1/34 · Minimal
Exposure
28/34 · Critical