Unrated severityNVD Advisory· Published Sep 8, 2023· Updated Sep 26, 2024
CVE-2021-33834
CVE-2021-33834
Description
An issue was discovered in iscflashx64.sys 3.9.3.0 in Insyde H2OFFT 6.20.00. When handling IOCTL 0x22229a, the input used to allocate a buffer and copy memory is mishandled. This could cause memory corruption or a system crash.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Insyde/H2OFFTdescription
Patches
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
2News mentions
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