Vulnerability Monitor

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CVE-2022-31243

Update description and links DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServicesRuntimeDxe driver 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 FvbServicesRuntimeDxe 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: 05.27.21. Kernel 5.3: 05.36.21. Kernel 5.4: 05.44.21. Kernel 5.5: 05.52.21 https://www.insyde.com/security-pledge/SA-2022044

Published

2022-11-15T00:15:11.377

Last Modified

2025-04-30T20:15:17.320

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.4 (MEDIUM)

Weaknesses
  • Type: Primary
    CWE-367
  • Type: Secondary
    CWE-367
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application insyde kernel < 5.2.05.27.21 Yes
Application insyde kernel < 5.3.05.36.21 Yes
Application insyde kernel < 5.4.05.44.21 Yes
Application insyde kernel < 5.5.05.52.21 Yes
References