CVE-2021-26351: Input Validation
Published May 12, 2022
·Updated
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 Software
98 affected components
AMD Ryzen 3 3100 Firmware
AMD Ryzen 3 3100
AMD Ryzen 3 3300g Firmware
AMD Ryzen 3 3300g
AMD Ryzen 3 3300x Firmware
AMD Ryzen 3 3300x
AMD Ryzen 3 5125c Firmware
AMD Ryzen 3 5125c
AMD Ryzen 3 5400u Firmware
AMD Ryzen 3 5400u
AMD Ryzen 3 5425c Firmware
AMD Ryzen 3 5425c
AMD Ryzen 3 5425u Firmware
AMD Ryzen 3 5425u
AMD Ryzen 5 3400g Firmware
AMD Ryzen 5 3400g
AMD Ryzen 5 3450g Firmware
AMD Ryzen 5 3450g
AMD Ryzen 5 3600 Firmware
AMD Ryzen 5 3600
AMD Ryzen 5 3600x Firmware
AMD Ryzen 5 3600x
AMD Ryzen 5 5560u Firmware
AMD Ryzen 5 5560u
AMD Ryzen 5 5600h Firmware
AMD Ryzen 5 5600h
AMD Ryzen 5 5600hs Firmware
AMD Ryzen 5 5600hs
AMD Ryzen 5 5600u Firmware
AMD Ryzen 5 5600u
AMD Ryzen 5 5600x Firmware
AMD Ryzen 5 5600x
AMD Ryzen 5 5625c Firmware
AMD Ryzen 5 5625c
AMD Ryzen 5 5625u Firmware
AMD Ryzen 5 5625u
AMD Ryzen 5 5700g Firmware
AMD Ryzen 5 5700g
AMD Ryzen 5 5700ge Firmware
AMD Ryzen 5 5700ge
AMD Ryzen 7 3700x Firmware
AMD Ryzen 7 3700x
AMD Ryzen 7 3800x Firmware
AMD Ryzen 7 3800x
AMD Ryzen 7 5800h Firmware
AMD Ryzen 7 5800h
AMD Ryzen 7 5800hs Firmware
AMD Ryzen 7 5800hs
AMD Ryzen 7 5800u Firmware
AMD Ryzen 7 5800u
AMD Ryzen 7 5825c Firmware
AMD Ryzen 7 5825c
AMD Ryzen 7 5825u Firmware
AMD Ryzen 7 5825u
AMD Ryzen 9 3900x Firmware
AMD Ryzen 9 3900x
AMD Ryzen 9 3950x Firmware
AMD Ryzen 9 3950x
AMD Ryzen 9 5900hs Firmware
AMD Ryzen 9 5900hs
AMD Ryzen 9 5900hx Firmware
AMD Ryzen 9 5900hx
AMD Ryzen 9 5980hs Firmware
AMD Ryzen 9 5980hs
AMD Ryzen 9 5980hx Firmware
AMD Ryzen 9 5980hx
AMD Ryzen Threadripper 2920x Firmware
AMD Ryzen Threadripper 2920x
AMD Ryzen Threadripper 2950x Firmware
AMD Ryzen Threadripper 2950x
AMD Ryzen Threadripper 2970wx Firmware
AMD Ryzen Threadripper 2970wx
AMD Ryzen Threadripper 2990wx Firmware
AMD Ryzen Threadripper 2990wx
AMD Ryzen Threadripper 3960x Firmware
AMD Ryzen Threadripper 3960x
AMD Ryzen Threadripper 3970x Firmware
AMD Ryzen Threadripper 3970x
AMD Ryzen Threadripper 3990x Firmware
AMD Ryzen Threadripper 3990x
AMD Ryzen Threadripper Pro 3945wx Firmware
AMD Ryzen Threadripper Pro 3945wx
AMD Ryzen Threadripper Pro 3955wx Firmware
AMD Ryzen Threadripper Pro 3955wx
AMD Ryzen Threadripper Pro 3975wx Firmware
AMD Ryzen Threadripper Pro 3975wx
AMD Ryzen Threadripper Pro 3995wx Firmware
AMD Ryzen Threadripper Pro 3995wx
AMD Ryzen Threadripper Pro 5945wx Firmware
AMD Ryzen Threadripper Pro 5945wx
AMD Ryzen Threadripper Pro 5955wx Firmware
AMD Ryzen Threadripper Pro 5955wx
AMD Ryzen Threadripper Pro 5965wx Firmware
AMD Ryzen Threadripper Pro 5965wx
AMD Ryzen Threadripper Pro 5975wx Firmware
AMD Ryzen Threadripper Pro 5975wx
AMD Ryzen Threadripper Pro 5995wx Firmware
AMD Ryzen Threadripper Pro 5995wx
Event History
May 12, 2022
CVE Published
via MITRE·05:18 PM
Data Sourced
via MITRE·05:18 PM
DescriptionWeakness
Frequently Asked Questions
1
What is the severity of CVE-2021-26351?
CVE-2021-26351 is classified as a medium severity vulnerability.
2
How do I fix CVE-2021-26351?
To fix CVE-2021-26351, users should update the firmware of affected AMD Ryzen processors to the latest version provided by AMD.
3
What are the potential impacts of CVE-2021-26351?
CVE-2021-26351 may allow unauthorized DMA read/write operations which can lead to denial of service.
4
Which AMD products are affected by CVE-2021-26351?
CVE-2021-26351 impacts multiple AMD Ryzen processors including the Ryzen 3, Ryzen 5, Ryzen 7, and Ryzen 9 series.
5
Is there a known exploit for CVE-2021-26351?
As of now, there is no publicly known exploit for CVE-2021-26351.