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HIGH · 7.5

CVE-2021-46763

Insufficient input validation in the SMU may enable a privileged attacker to write beyond the intended bounds of a shared memory buffer potentially leading to a loss of integrity.

Vulnerability Description

Insufficient input validation in the SMU may enable a privileged attacker to write beyond the intended bounds of a shared memory buffer potentially leading to a loss of integrity.

CVSS Score

7.5

HIGH

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

Affected Products

VendorProductVersions
AmdEpyc 72F3 Firmwaremilanpi_1.0.0.9
AmdEpyc 72F3-
AmdEpyc 7313 Firmwaremilanpi_1.0.0.9
AmdEpyc 7313-
AmdEpyc 7313P Firmwaremilanpi_1.0.0.9
AmdEpyc 7313P-
AmdEpyc 7343 Firmwaremilanpi_1.0.0.9
AmdEpyc 7343-
AmdEpyc 7373X Firmwaremilanpi_1.0.0.9
AmdEpyc 7373X-
AmdEpyc 73F3 Firmwaremilanpi_1.0.0.9
AmdEpyc 73F3-
AmdEpyc 7413 Firmwaremilanpi_1.0.0.9
AmdEpyc 7413-
AmdEpyc 7443 Firmwaremilanpi_1.0.0.9
AmdEpyc 7443-
AmdEpyc 7443P Firmwaremilanpi_1.0.0.9
AmdEpyc 7443P-
AmdEpyc 7453 Firmwaremilanpi_1.0.0.9
AmdEpyc 7453-

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2021-46763?

CVE-2021-46763 is a vulnerability with a CVSS score of 7.5 (HIGH). Insufficient input validation in the SMU may enable a privileged attacker to write beyond the intended bounds of a shared memory buffer potentially leading to a loss of integrity.

How severe is CVE-2021-46763?

CVE-2021-46763 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-46763?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Epyc 72F3 Firmware, Amd Epyc 72F3, Amd Epyc 7313 Firmware, Amd Epyc 7313, Amd Epyc 7313P Firmware.