CVEvulnerability

CVE-2021-33834

7.1 HIGH Published 2023-09-08 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-09-08
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.1 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weaknesses
CWE-787

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.

Affected configurations

• insyde h2offt 6.20.00 • insyde iscflashx64.sys 3.9.3.0

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References