CVE-2021-26351

MEDIUM
5.5
CVSS Score
Published: May 12, 2022 at 05:18 PM UTC
Updated: June 17, 2026 at 03:43 AM UTC
100 products affected across 1 vendorRyzen 5 5600HS FirmwareRyzen 5 5600U FirmwareRyzen 5 5600H Firmware

Using Ryzen™ Series by AMD?

Get instant alerts when new vulnerabilities affect Ryzen™ Series - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
amd-ryzen-3-3100 (same device)
All versions
amd-ryzen-3-3300g (same device)
All versions
amd-ryzen-3-5125c (same device)
All versions
amd-ryzen-3-5400u (same device)
All versions
amd-ryzen-3-5425u (same device)
All versions
amd-ryzen-5-3400g (same device)
All versions
amd-ryzen-5-3450g (same device)
All versions
amd-ryzen-5-3600 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card