Buffer overflow in InsydeH2O Kernel - CVE-2021-45969

 

Buffer overflow in InsydeH2O Kernel - CVE-2021-45969

Published: February 3, 2022


Vulnerability identifier: #VU60280
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-45969
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Insyde Software
Affected software:
InsydeH2O Kernel

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in AhciBusDxe. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2021-45969

Install updates from vendor's website.

Sources