Vulnerability CVE-2021-33834


Published: 2023-09-08

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.

 References:
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2021004

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