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CRITICAL · 9.8

CVE-2022-23821

Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.

Vulnerability Description

Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.

CVSS Score

9.8

CRITICAL

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

Affected Products

VendorProductVersions
AmdRyzen 9 3900 Firmwarecomboam4_pi_1.0.0.9
AmdRyzen 9 3900-
AmdRyzen 9 3900X Firmwarecomboam4_pi_1.0.0.9
AmdRyzen 9 3900X-
AmdRyzen 9 3900Xt Firmwarecomboam4_pi_1.0.0.9
AmdRyzen 9 3900Xt-
AmdRyzen 9 3950X Firmwarecomboam4_pi_1.0.0.9
AmdRyzen 9 3950X-
AmdRyzen 7 3700X Firmwarecomboam4_pi_1.0.0.9
AmdRyzen 7 3700X-
AmdRyzen 7 3800X Firmwarecomboam4_pi_1.0.0.9
AmdRyzen 7 3800X-
AmdRyzen 7 3800Xt Firmwarecomboam4_pi_1.0.0.9
AmdRyzen 7 3800Xt-
AmdRyzen 5 3500 Firmwarecomboam4_pi_1.0.0.9
AmdRyzen 5 3500-
AmdRyzen 5 3500X Firmwarecomboam4_pi_1.0.0.9
AmdRyzen 5 3500X-
AmdRyzen 5 3600 Firmwarecomboam4_pi_1.0.0.9
AmdRyzen 5 3600-

References

FAQ

What is CVE-2022-23821?

CVE-2022-23821 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.

How severe is CVE-2022-23821?

CVE-2022-23821 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-23821?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Ryzen 9 3900 Firmware, Amd Ryzen 9 3900, Amd Ryzen 9 3900X Firmware, Amd Ryzen 9 3900X, Amd Ryzen 9 3900Xt Firmware.