#VU80872 Out-of-bounds write in InsydeH2O Kernel - CVE-2022-35895
Published: September 19, 2023
Vulnerability identifier: #VU80872
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-35895
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
InsydeH2O Kernel
InsydeH2O Kernel
Software vendor:
Insyde Software
Insyde Software
Description
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in SMM driver (SMRAM write) in InsydeH2O. A local administrator can trigger an out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.