CVE-2022-46892

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-15 · updated 2026-06-17
Weakness: CWE-284

Description

In Ampere AltraMax and Ampere Altra before 2.10c, improper access controls allows the OS to reinitialize a disabled root complex.

Affected products

Amperecomputing Ampere Altra Firmware: before 2.10c — fixed in 2.10c
Amperecomputing Ampere Altra Max Firmware: before 2.10c — fixed in 2.10c

How to fix

Upgrade to a fixed version: Amperecomputing Ampere Altra Firmware 2.10c; Amperecomputing Ampere Altra Max Firmware 2.10c. Check the vendor advisory for mitigations.

References

https://amperecomputing.com/products/security-bulletins/root-complex-OS-re-enable
https://amperecomputing.com/products/security-bulletins/root-complex-OS-re-enable

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