CVE-2021-26352 — MEDIUM (5.5)

Vulnerability Description

Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space 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

Vendor	Product	Versions
Amd	Ryzen 5 2600 Firmware	-
Amd	Ryzen 5 2600	-
Amd	Ryzen 5 2600X Firmware	-
Amd	Ryzen 5 2600X	-
Amd	Ryzen 5 2700X Firmware	-
Amd	Ryzen 5 2700X	-
Amd	Ryzen 5 2700 Firmware	-
Amd	Ryzen 5 2700	-
Amd	Ryzen 5 3600 Firmware	-
Amd	Ryzen 5 3600	-
Amd	Ryzen 5 3600X Firmware	-
Amd	Ryzen 5 3600X	-
Amd	Ryzen 7 3700X Firmware	-
Amd	Ryzen 7 3700X	-
Amd	Ryzen 7 3800X Firmware	-
Amd	Ryzen 7 3800X	-
Amd	Ryzen 9 3900X Firmware	-
Amd	Ryzen 9 3900X	-
Amd	Ryzen 9 3950X Firmware	-
Amd	Ryzen 9 3950X	-

Related Weaknesses (CWE)

CWE-119

References

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027Vendor Advisory

FAQ

What is CVE-2021-26352?

CVE-2021-26352 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service.

How severe is CVE-2021-26352?

CVE-2021-26352 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-2021-26352?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Ryzen 5 2600 Firmware, Amd Ryzen 5 2600, Amd Ryzen 5 2600X Firmware, Amd Ryzen 5 2600X, Amd Ryzen 5 2700X Firmware.