Integer overflow in edk2 - CVE-2022-36765

 

Integer overflow in edk2 - CVE-2022-36765

Published: August 2, 2024


Vulnerability identifier: #VU95180
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-36765
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: TianoCore
Affected software:
edk2

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow within the CreateHob() function. A local user can trigger an integer overflow and execute arbitrary code on the target system.


How to mitigate CVE-2022-36765

Install updates from vendor's website.

Sources