VULNERABILITY

Aruba AOS-10: CVE-2021-33627: SMM Privilege Escalation Vulnerability in FwBlockServiceSmm

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Aruba AOS-10: CVE-2021-33627: SMM Privilege Escalation Vulnerability in FwBlockServiceSmm

Severity
6
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
02/01/2022
Created
01/16/2025
Added
01/14/2025
Modified
02/04/2025

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(s)

  • aruba-aos-10-cve-2021-33627

References

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