Vulnerability Details : 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 category: OverflowDenial of service

Published 2022-05-12 18:16:53

Updated 2022-06-01 17:54:30

Source Advanced Micro Devices Inc.

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-26351

Probability of exploitation activity in the next 30 days: 0.04%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 7 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-26351

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
4.9	MEDIUM	AV:L/AC:L/Au:N/C:N/I:N/A:C	3.9	6.9	[email protected]
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	1.8	3.6	[email protected]
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2021-26351

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

Assigned by: [email protected] (Primary)

References for CVE-2021-26351

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

Vendor Advisory

CVEs referencing this url

Products affected by CVE-2021-26351

AMD » Ryzen Threadripper Pro 3995wx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_pro_3995wx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper Pro 3995wx » Version: N/A
AMD » Ryzen Threadripper Pro 3975wx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_pro_3975wx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper Pro 3975wx » Version: N/A
AMD » Ryzen Threadripper Pro 3955wx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_pro_3955wx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper Pro 3955wx » Version: N/A
AMD » Ryzen Threadripper Pro 3945wx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_pro_3945wx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper Pro 3945wx » Version: N/A
AMD » Ryzen Threadripper 3990x Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_3990x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper 3990x » Version: N/A
AMD » Ryzen Threadripper 3970x Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_3970x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper 3970x » Version: N/A
AMD » Ryzen Threadripper 3960x Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_3960x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper 3960x » Version: N/A
AMD » Ryzen Threadripper 2990wx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_2990wx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper 2990wx » Version: N/A
AMD » Ryzen Threadripper 2970wx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_2970wx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper 2970wx » Version: N/A
AMD » Ryzen Threadripper 2950x Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_2950x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper 2950x » Version: N/A
AMD » Ryzen Threadripper 2920x Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_2920x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper 2920x » Version: N/A
AMD » Ryzen Threadripper Pro 5995wx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_pro_5995wx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper Pro 5995wx » Version: N/A
AMD » Ryzen Threadripper Pro 5975wx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_pro_5975wx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper Pro 5975wx » Version: N/A
AMD » Ryzen Threadripper Pro 5965wx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_pro_5965wx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper Pro 5965wx » Version: N/A
AMD » Ryzen Threadripper Pro 5955wx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_pro_5955wx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper Pro 5955wx » Version: N/A
AMD » Ryzen Threadripper Pro 5945wx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_threadripper_pro_5945wx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen Threadripper Pro 5945wx » Version: N/A
AMD » Ryzen 9 3950x Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_9_3950x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 9 3950x » Version: N/A
AMD » Ryzen 9 3900x Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_9_3900x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 9 3900x » Version: N/A
AMD » Ryzen 7 3800x Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_7_3800x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 7 3800x » Version: N/A
AMD » Ryzen 7 3700x Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_7_3700x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 7 3700x » Version: N/A
AMD » Ryzen 5 3600x Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_3600x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 3600x » Version: N/A
AMD » Ryzen 5 3600 Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_3600_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 3600 » Version: N/A
AMD » Ryzen 5 3400g Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_3400g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 3400g » Version: N/A
AMD » Ryzen 3 3300x Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_3_3300x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 3 3300x » Version: N/A
AMD » Ryzen 3 3300g Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_3_3300g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 3 3300g » Version: N/A
AMD » Ryzen 3 3100 Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_3_3100_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 3 3100 » Version: N/A
AMD » Ryzen 9 5980hx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_9_5980hx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 9 5980hx » Version: N/A
AMD » Ryzen 9 5980hs Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_9_5980hs_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 9 5980hs » Version: N/A
AMD » Ryzen 7 5825u Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_7_5825u_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 7 5825u » Version: N/A
AMD » Ryzen 9 5900hx Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_9_5900hx_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 9 5900hx » Version: N/A
AMD » Ryzen 9 5900hs Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_9_5900hs_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 9 5900hs » Version: N/A
AMD » Ryzen 5 5625u Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_5625u_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 5625u » Version: N/A
AMD » Ryzen 7 5800h Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_7_5800h_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 7 5800h » Version: N/A
AMD » Ryzen 7 5800hs Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_7_5800hs_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 7 5800hs » Version: N/A
AMD » Ryzen 5 5600h Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_5600h_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 5600h » Version: N/A
AMD » Ryzen 5 5600hs Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_5600hs_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 5600hs » Version: N/A
AMD » Ryzen 7 5800u Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_7_5800u_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 7 5800u » Version: N/A
AMD » Ryzen 5 5600u Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_5600u_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 5600u » Version: N/A
AMD » Ryzen 3 5425u Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_3_5425u_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 3 5425u » Version: N/A
AMD » Ryzen 3 5400u Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_3_5400u_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 3 5400u » Version: N/A
AMD » Ryzen 5 5700g Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_5700g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 5700g » Version: N/A
AMD » Ryzen 5 5700ge Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_5700ge_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 5700ge » Version: N/A
AMD » Ryzen 5 3450g Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_3450g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 3450g » Version: N/A
AMD » Ryzen 7 5825c Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_7_5825c_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 7 5825c » Version: N/A
AMD » Ryzen 5 5625c Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_5625c_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 5625c » Version: N/A
AMD » Ryzen 5 5560u Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_5560u_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 5560u » Version: N/A
AMD » Ryzen 3 5425c Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_3_5425c_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 3 5425c » Version: N/A
AMD » Ryzen 3 5125c Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_3_5125c_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 3 5125c » Version: N/A
AMD » Ryzen 5 5600x Firmware » Version: N/A
cpe:2.3:o:amd:ryzen_5_5600x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: AMD » Ryzen 5 5600x » Version: N/A