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CVE-2022-33196

Published: 16 February 2023

Incorrect default permissions in some memory controller configurations for some Intel(R) Xeon(R) Processors when using Intel(R) Software Guard Extensions which may allow a privileged user to potentially enable escalation of privilege via local access.

Priority

Medium

Cvss 3 Severity Score

6.7

Score breakdown

Status

Package Release Status
intel-microcode
Launchpad, Ubuntu, Debian
upstream Needs triage

xenial
Released (3.20230214.0ubuntu0.16.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
bionic
Released (3.20230214.0ubuntu0.18.04.1)
focal
Released (3.20230214.0ubuntu0.20.04.1)
jammy
Released (3.20230214.0ubuntu0.22.04.1)
kinetic
Released (3.20230214.0ubuntu0.22.10.1)
trusty Ignored
(trusty doesn't support runtime microcode loading)

Severity score breakdown

Parameter Value
Base score 6.7
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H