VYPR
← All advisories
High severity7.0NVD Advisory· Published Nov 15, 2022· Updated Jun 17, 2026

CVE-2022-33905

CVE-2022-33905

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Insyde/Kernel
    cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*
    Range: >=5.2,<5.2.05.27.23
  • Insyde/AhciBusDxe software SMI handlerdescription
  • Insyde/AhciBusDxellm-create

Patches

Vulnerability mechanics

References

2

News mentions

0

No linked articles in our index yet.