vulnerability
Aruba AOS-8: CVE-2021-41840: SMM Privilege Escalation Vulnerability in NvmExpressDxe
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Feb 1, 2022 | Jan 14, 2025 | Jul 2, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Feb 1, 2022
Added
Jan 14, 2025
Modified
Jul 2, 2025
Description
A vulnerability exists in System Management Interrupt (SWSMI) handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT (EFI_RUNTIME_SERVICES) pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM (escalating privilege from ring 0 to ring -2).
Solution
aruba-aos-8-cve-2021-41840
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