CVE-2022-36337

HIGH

Insyde Kernel 5.0-5.5 - Stack-based Buffer Overflow in MebxConfiguration Driver

Title source: llm
STIX 2.1

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. A stack buffer overflow vulnerability in the MebxConfiguration driver leads to arbitrary code execution. Control of a UEFI variable under the OS can cause this overflow when read by BIOS code.

References (2)

Core 2

Scores

CVSS v3 8.2
EPSS 0.0021
EPSS Percentile 11.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-121 CWE-787
Status published
Products (1)
insyde/kernel 5.0 - 5.5
Published Nov 23, 2022
Tracked Since Feb 18, 2026