Vulnerability Monitor

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CVE-2022-33986

DMA attacks on the parameter buffer used by the VariableRuntimeDxe software SMI handler could lead to a TOCTOU attack. DMA attacks on the parameter buffer used by the software SMI handler used by the driver VariableRuntimeDxe could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. This issue was discovered by Insyde engineering during a security review. This issue is fixed in Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23. CWE-367 CWE-367 Report at: https://www.insyde.com/security-pledge/SA-2022056

Published

2022-11-15T00:15:12.353

Last Modified

2025-04-30T20:15:18.030

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 < 5.4.05.44.23 Yes
Application insyde kernel < 5.5.05.52.23 Yes
References