CVE-2022-33972

Publication date 16 February 2023

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Incorrect calculation in microcode keying mechanism for some 3rd Generation Intel(R) Xeon(R) Scalable Processors may allow a privileged user to potentially enable information disclosure via local access.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
intel-microcode	22.10 kinetic	Fixed 3.20230214.0ubuntu0.22.10.1
	22.04 LTS jammy	Fixed 3.20230214.0ubuntu0.22.04.1
	20.04 LTS focal	Fixed 3.20230214.0ubuntu0.20.04.1
	18.04 LTS bionic	Fixed 3.20230214.0ubuntu0.18.04.1
	16.04 LTS xenial	Fixed 3.20230214.0ubuntu0.16.04.1+esm1 Ubuntu Pro
	14.04 LTS trusty	Ignored end of ESM support, was ignored [trusty doesn’t support runtime microcode loading]

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Severity score breakdown

Parameter	Value
Base score	4.4 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	High
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

USN-5886-1
Intel Microcode vulnerabilities
27 February 2023