CVE-2022-36764

Publication date 9 January 2024

Last updated 18 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

EDK2 is susceptible to a vulnerability in the Tcg2MeasurePeImage() function, allowing a user to trigger a heap buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
edk2	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Fixed 2023.05-2ubuntu0.1
	23.04 lunar	Ignored end of life, was needs-triage
	22.04 LTS jammy	Fixed 2022.02-3ubuntu0.22.04.2
	20.04 LTS focal	Fixed 0~20191122.bd85bf54-2ubuntu3.5
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Ignored end of standard support

Severity score breakdown

Parameter	Value
Base score	7.0 · High
Attack vector	Local
Attack complexity	High
Privileges required	Low
User interaction	None
Scope	Changed
Confidentiality	Low
Integrity impact	Low
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H

References

Related Ubuntu Security Notices (USN)

USN-6638-1
EDK II vulnerabilities
15 February 2024