HIGH · 7.9

CVE-2024-21980

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.

Vulnerability Description

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.

CVSS Score

7.9

HIGH

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

Affected Products

VendorProductVersions
AmdEpyc 7203 Firmware< milanpi_1.0.0.d
AmdEpyc 7203-
AmdEpyc 7203P Firmware< milanpi_1.0.0.d
AmdEpyc 7203P-
AmdEpyc 72F3 Firmware< milanpi_1.0.0.d
AmdEpyc 72F3-
AmdEpyc 7303 Firmware< milanpi_1.0.0.d
AmdEpyc 7303-
AmdEpyc 7303P Firmware< milanpi_1.0.0.d
AmdEpyc 7303P-
AmdEpyc 7313 Firmware< milanpi_1.0.0.d
AmdEpyc 7313-
AmdEpyc 7313P Firmware< milanpi_1.0.0.d
AmdEpyc 7313P-
AmdEpyc 7343 Firmware< milanpi_1.0.0.d
AmdEpyc 7343-
AmdEpyc 73F3 Firmware< milanpi_1.0.0.d
AmdEpyc 73F3-
AmdEpyc 7373X Firmware< milanpi_1.0.0.d
AmdEpyc 7373X-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2024-21980?

CVE-2024-21980 is a vulnerability with a CVSS score of 7.9 (HIGH). Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.

How severe is CVE-2024-21980?

CVE-2024-21980 has been rated HIGH with a CVSS base score of 7.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-21980?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Epyc 7203 Firmware, Amd Epyc 7203, Amd Epyc 7203P Firmware, Amd Epyc 7203P, Amd Epyc 72F3 Firmware.