Integer Overflow Vulnerability in AMD System Management Unit
CVE-2021-26329

5.5MEDIUM

Key Information:

Vendor

Amd
Status
1st Gen Amd Epyc™
2nd Gen Amd Epyc™
3rd Gen Amd Epyc™
Vendor
CVE Published:
16 November 2021

What is CVE-2021-26329?

The AMD System Management Unit (SMU) is susceptible to an integer overflow error when an invalid length is supplied. This flaw may lead to resource exhaustion, posing potential risks to system stability and security. It underscores the importance of validating input parameters to prevent such vulnerabilities from being exploited.

Affected Version(s)

1st Gen AMD EPYC™ < unspecified

2nd Gen AMD EPYC™ < unspecified

3rd Gen AMD EPYC™ < unspecified

References

https://www.amd.com/en/corporate/product-security/bulleti...
x_refsource_MISC

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2021-26329 : Integer Overflow Vulnerability in AMD System Management Unit