CVE-2021-33834
High
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.
SeverityHigh
CVSS7.1
Exploit probability—
ProductInsyde H2offt
PublishedSep 8, 2023
First seenSep 8, 2023
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| insyde h2offt | 6.20.00 | — |
| insyde iscflashx64.sys | 3.9.3.0 | — |
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