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CVE-2021-0145

Published: 9 February 2022

Improper initialization of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

From the Ubuntu Security Team

Joseph Nuzman discovered that some Intel processors did not properly initialise shared resources. This may allow a local attacker to obtain sensitive information.

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
intel-microcode
Launchpad, Ubuntu, Debian
bionic
Released (3.20220510.0ubuntu0.18.04.1)
focal
Released (3.20220510.0ubuntu0.20.04.1)
impish
Released (3.20220510.0ubuntu0.21.10.1)
jammy
Released (3.20220510.0ubuntu0.22.04.1)
kinetic
Released (3.20220207.1ubuntu1)
upstream
Released (3.20220207.1)
trusty Ignored
(early microcode loading not allowed)
xenial
Released (3.20220510.0ubuntu0.16.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N