CVE-2022-34325
HIGHInsydeH2O 5.3-05.36.23 - TOCTOU Race Condition in StorageSecurityCommandDxe SMI Handler
Title source: llmDescription
DMA transactions which are targeted at input buffers used for the StorageSecurityCommandDxe software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the StorageSecurityCommandDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by
References (2)
Core 2
Core References
Vendor Advisory
https://www.insyde.com/security-pledge
Vendor Advisory
https://www.insyde.com/security-pledge/SA-2022057
Scores
CVSS v3
7.8
EPSS
0.0013
EPSS Percentile
3.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-367
Status
published
Products (1)
insyde/insydeh2o
5.3 - 05.36.23
Published
Nov 14, 2022
Tracked Since
Feb 18, 2026