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Root Complex OS Re-Enable
Bulletin ID: AMP-SB-0006
CVE-2022-46892
Who is Impacted
Systems that use OS to disable root port.
Potential Impact
Depending on platform configuration, reenabling root ports may provide unintended access.
Severity:
Low Severity
CVSS Score: 3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
Problem Statement and Impact
A Root complex is typically disabled during boot via the BIOS. However, the OS can overwrite the DSDT ACPI table to reinitialize the Root Complex.
Fixed in
SRP 2.10c
Affected Products
Ampere® Altra® and Ampere® Altra®Max
Recommendations
Update SRP to 2.10c
Created At : February 14th 2023, 8:51:10 pm
Last Updated At : February 24th 2023, 6:47:30 pm
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