Insyde Security Advisory 2022057

Insyde ID Advisory Category Impact of Vulnerability Severity Rating Original Date Last Revised
INSYDE-SA-2022057 Software CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H 7.8 11/08/2022 11/08/2022

Summary:

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

Vulnerability Details

CVE-2022-34325

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 Intel's iSTARE group. Fixed in:

Kernel 5.2: 05.27.23
Kernel 5.3: 05.36.23
Kernel 5.4: 05.44.23
Kernel 5.5: 05.52.23

Revision History:

Revision Date Description
1.0 11/08/2022 Initial Release
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