CVE-2022-33972

Publication date 16 February 2023

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

4.4 · Medium

Score breakdown

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

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
14.04 LTS trusty Ignored trusty doesn’t support runtime microcode loading

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro

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

Other references