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HIGH

DMA transactions which are targeted at input buffers used for the HddPassword software SMI handler could cause SMRAM corruption through a TOCTOU attack

Published Nov 14, 2022

Description

DMA transactions which are targeted at input buffers used for the HddPassword 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 HddPassword driver could cause SMRAM corruption through a TOCTOU attack..This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in kernel Kernel 5.2: 05.27.23, Kernel 5.3: 05.36.23, Kernel 5.4: 05.44.23, Kernel 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022051

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

References (2)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 14, 2022
Updated Apr 30, 2025
Reserved Jun 17, 2022
CISA Vulnrichment
Updated Apr 30, 2025
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity n/a
Public date n/a