Vulnerability Monitor

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CVE-2022-33905

DMA transactions which are targeted at input buffers used for the AhciBusDxe software SMI handler could cause SMRAM corruption (a TOCTOU attack). DMA transactions which are targeted at input buffers used for the software SMI handler used by the AhciBusDxe 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 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-2022047

Published

2022-11-15T00:15:11.770

Last Modified

2025-04-30T19:15:49.283

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.0 (HIGH)

Weaknesses
  • Type: Primary
    CWE-367
  • Type: Secondary
    CWE-367
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application insyde kernel < 5.2.05.27.23 Yes
Application insyde kernel < 5.3.05.36.23 Yes
Application insyde kernel < 5.4.05.44.23 Yes
Application insyde kernel < 5.5.05.52.23 Yes
References