vulnerability
Aruba AOS-8: CVE-2021-33627: SMM Privilege Escalation Vulnerability in FwBlockServiceSmm
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | 2022-02-01 | 2025-01-14 | 2025-04-03 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
2022-02-01
Added
2025-01-14
Modified
2025-04-03
Description
An issue was discovered in Insyde InsydeH2O 5.x, affecting FwBlockServiceSmm. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses
Solution
aruba-aos-8-cve-2021-33627
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