CVE Vulnerability

CVE-2021-26312

Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028
Configurations

Configuration 1
Information

Published : 2021-11-16 06:15

Updated : 2022-05-11 05:15

NVD link : CVE-2021-26312

Mitre link : CVE-2021-26312

Products Affected

Amd

Epyc 7261

CWE
CWE-668