CVE-2022-34325

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
TOCTOU
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
7.8 HIGH
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 14%
VendorProductVersion
insydeinsydeh2o
5.3 ≤
𝑥
< 05.36.23
insydeinsydeh2o
5.2 ≤
𝑥
< 05.27.23
insydeinsydeh2o
5.4 ≤
𝑥
< 05.44.23
insydeinsydeh2o
5.5 ≤
𝑥
< 05.52.23
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2022057
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2022057