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MEDIUM · 5.5

CVE-2021-26351

Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in denial of service.

Vulnerability Description

Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in denial of service.

CVSS Score

5.5

MEDIUM

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

Affected Products

VendorProductVersions
AmdRyzen 3 3100 Firmware-
AmdRyzen 3 3100-
AmdRyzen 3 3300G Firmware-
AmdRyzen 3 3300G-
AmdRyzen 3 3300X Firmware-
AmdRyzen 3 3300X-
AmdRyzen 3 5125C Firmware-
AmdRyzen 3 5125C-
AmdRyzen 3 5400U Firmware-
AmdRyzen 3 5400U-
AmdRyzen 3 5425C Firmware-
AmdRyzen 3 5425C-
AmdRyzen 3 5425U Firmware-
AmdRyzen 3 5425U-
AmdRyzen 5 3400G Firmware-
AmdRyzen 5 3400G-
AmdRyzen 5 3450G Firmware-
AmdRyzen 5 3450G-
AmdRyzen 5 3600 Firmware-
AmdRyzen 5 3600-

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2021-26351?

CVE-2021-26351 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in denial of service.

How severe is CVE-2021-26351?

CVE-2021-26351 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26351?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Ryzen 3 3100 Firmware, Amd Ryzen 3 3100, Amd Ryzen 3 3300G Firmware, Amd Ryzen 3 3300G, Amd Ryzen 3 3300X Firmware.