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CVE-2021-33120

Published: 9 February 2022

Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors may allow authenticated user to potentially enable information disclosure or cause denial of service via network access.

From the Ubuntu Security Team

Brandon Miller discovered that some Intel processors did not properly restrict access in some situations. This may allow a local authenticated user to obtain sensitive information or allow a remote user to cause a denial of service.

Priority

Medium

CVSS 3 base score: 5.4

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)
trusty Ignored
(early microcode loading not allowed)
upstream
Released (3.20220207.1)
xenial
Released (3.20220510.0ubuntu0.16.04.1+esm1)