Medium severity6.4NVD Advisory· Published Nov 14, 2022· Updated Jun 17, 2026
CVE-2022-30773
CVE-2022-30773
Description
DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack). DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack). This issue was discovered by Insyde engineering. This issue is fixed in Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23. CWE-367
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Insyde/IhisiSmmdescription
Patches
Vulnerability mechanics
References
2- www.insyde.com/security-pledgenvdVendor Advisory
- www.insyde.com/security-pledge/SA-2022042nvdVendor Advisory
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