REDHAT-BUG-2279283: High severity amd system management mode vulnerability

Published May 6, 2024
·
Updated

Researchers from IOActive have reported that it may be possible for an attacker with ring 0 access to modify the configuration of System Management Mode (SMM) even when SMM Lock is enabled.

Refer: https://www.amd.com/en/resources/product-security.html

Affected Software

1 affected component
AMD System Management Mode (SMM)

Event History

May 6, 2024
Data Sourced
via Red Hat·10:14 AM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2279283?

The severity of REDHAT-BUG-2279283 is considered critical due to the potential for an attacker with ring 0 access to exploit the vulnerability.

2

How do I fix REDHAT-BUG-2279283?

To fix REDHAT-BUG-2279283, ensure that you apply the latest security patches provided by AMD and Red Hat for System Management Mode.

3

Who is affected by REDHAT-BUG-2279283?

REDHAT-BUG-2279283 affects systems that utilize AMD System Management Mode (SMM) with SMM Lock enabled.

4

What is the potential impact of REDHAT-BUG-2279283?

The potential impact of REDHAT-BUG-2279283 includes unauthorized modification of critical system configurations leading to system instability or security breaches.

5

Is there a workaround for REDHAT-BUG-2279283?

Currently, there are no effective workarounds for REDHAT-BUG-2279283 other than applying the recommended patches as soon as they are available.

Contact

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