CVE-2022-35407

High

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. A stack buffer overflow leads to arbitrary code execution in the SetupUtility driver on Intel platforms. An attacker can change the values of certain UEFI variables. If the size of the second variable exceeds the size of the first, then the buffer will be overwritten. This issue affects the SetupUtility driver of InsydeH2O.

SeverityHigh
CVSS7.8
Exploit probability—
ProductInsyde Kernel
PublishedNov 22, 2022
First seenNov 22, 2022

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
insyde kernel5.0 ≤ v ≤ 5.5—

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CVE-2022-35407 · Insyde Kernel · Dark Radar