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MEDIUM · 6.5

CVE-2023-20592

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 lo...

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
AmdEpyc 7001 Firmware-
AmdEpyc 7001-
AmdEpyc 7251 Firmware-
AmdEpyc 7251-
AmdEpyc 7261 Firmware-
AmdEpyc 7261-
AmdEpyc 7281 Firmware-
AmdEpyc 7281-
AmdEpyc 7301 Firmware-
AmdEpyc 7301-
AmdEpyc 7351 Firmware-
AmdEpyc 7351-
AmdEpyc 7351P Firmware-
AmdEpyc 7351P-
AmdEpyc 7371 Firmware-
AmdEpyc 7371-
AmdEpyc 7401 Firmware-
AmdEpyc 7401-
AmdEpyc 7401P Firmware-
AmdEpyc 7401P-

References

FAQ

What is CVE-2023-20592?

CVE-2023-20592 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 lo...

How severe is CVE-2023-20592?

CVE-2023-20592 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-20592?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Epyc 7001 Firmware, Amd Epyc 7001, Amd Epyc 7251 Firmware, Amd Epyc 7251, Amd Epyc 7261 Firmware.