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CVE-2022-21166

Published: 15 June 2022

Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

From the Ubuntu security team

It was discovered that some Intel processors did not properly perform cleanup during specific special register write operations. A local attacker could possibly use this to expose sensitive information.

Priority

Medium

CVSS 3 base score: 5.5

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)
trusty Needs triage

upstream
Released (3.20220510.1)
xenial Needs triage

linux
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-187.198)
focal
Released (5.4.0-120.136)
impish
Released (5.13.0-51.58)
jammy
Released (5.15.0-39.42)
trusty
Released (3.13.0-190.241)
upstream Needs triage

xenial Needs triage

Patches:
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 99a83db5a605137424e1efe29dc0573d6a5b6316
linux-aws
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1136.147)
focal
Released (5.4.0-1080.87)
impish
Released (5.13.0-1031.35)
jammy
Released (5.15.0-1013.17)
trusty Needs triage

upstream Needs triage

xenial Needs triage

linux-aws-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-aws-5.3)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-aws-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-aws-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (5.13.0-1031.35~20.04.1)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-aws-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-aws-5.4)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-aws-5.4
Launchpad, Ubuntu, Debian
bionic
Released (5.4.0-1080.87~18.04.1)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-aws-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-aws-5.11)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-aws-hwe
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (4.15.0-1136.147~16.04.1)
linux-azure
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.3)
focal
Released (5.4.0-1085.90)
impish
Released (5.13.0-1031.37)
jammy
Released (5.15.0-1012.15)
trusty
Released (4.15.0-1145.160~14.04.1)
upstream Needs triage

xenial
Released (4.15.0-1145.160~16.04.1)
linux-azure-4.15
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1145.160)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-azure-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-azure-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (5.13.0-1031.37~20.04.1)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-azure-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.4)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-azure-5.4
Launchpad, Ubuntu, Debian
bionic
Released (5.4.0-1085.90~18.04.1)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-azure-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-azure-5.11)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.3)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-azure-fde
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (5.4.0-1085.90+cvm1.1)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-bluefield
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(x86 only)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Not vulnerable
(x86 only)
xenial Does not exist

linux-dell300x
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1048.53)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-fips
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-gcp
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gcp-5.3)
focal
Released (5.4.0-1080.87)
impish
Released (5.13.0-1033.40)
jammy
Released (5.15.0-1010.15)
trusty Does not exist

upstream Needs triage

xenial
Released (4.15.0-1130.146~16.04.1)
linux-gcp-4.15
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1130.146)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-gcp-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-gcp-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (5.13.0-1033.40~20.04.1)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-gcp-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gcp-5.4)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-gcp-5.4
Launchpad, Ubuntu, Debian
bionic
Released (5.4.0-1080.87~18.04.1)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-gcp-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-gcp-5.11)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-gke
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (5.4.0-1076.82)
impish Does not exist

jammy
Released (5.15.0-1010.13)
trusty Does not exist

upstream Needs triage

xenial Ignored
(reached end of standard support)
linux-gke-4.15
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gke-5.3)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-gke-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gke-5.4)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-gke-5.4
Launchpad, Ubuntu, Debian
bionic
Released (5.4.0-1076.82~18.04.1)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-gkeop
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (5.4.0-1048.51)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-gkeop-5.4
Launchpad, Ubuntu, Debian
bionic
Released (5.4.0-1048.51~18.04.1)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic Ignored
(replaced by linux-hwe-5.4)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (4.15.0-187.198~16.04.1)
linux-hwe-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.13)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-hwe-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (5.13.0-51.58~20.04.1)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-hwe-5.4
Launchpad, Ubuntu, Debian
bionic
Released (5.4.0-120.136~18.04.1)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-hwe-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.11)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-hwe-5.4)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Ignored
(superseded by linux-hwe)
linux-ibm
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (5.4.0-1028.32)
impish Does not exist

jammy
Released (5.15.0-1009.11)
trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-ibm-5.4
Launchpad, Ubuntu, Debian
bionic
Released (5.4.0-1028.32~18.04.1)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-intel-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (5.13.0-1017.19)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-intel-iotg
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy
Released (5.15.0-1010.14)
trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-intel-iotg-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-kvm
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1122.127)
focal
Released (5.4.0-1070.75)
impish
Released (5.13.0-1030.33)
jammy
Released (5.15.0-1012.14)
trusty Does not exist

upstream Needs triage

xenial Needs triage

linux-lowlatency
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy
Released (5.15.0-39.42)
trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Needs triage

upstream Needs triage

xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Ignored
(superseded by linux-hwe)
linux-oem-5.10
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oem-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oem-5.14
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (5.14.0-1044.49)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oem-5.17
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oem-5.6
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1101.112)
focal
Released (5.4.0-1078.86)
impish
Released (5.13.0-1036.43)
jammy
Released (5.15.0-1011.15)
trusty Does not exist

upstream Needs triage

xenial
Released (4.15.0-1101.112~16.04.1)
linux-oracle-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-oracle-5.3)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oracle-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oracle-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (5.13.0-1036.43~20.04.1)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oracle-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-oracle-5.4)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oracle-5.4
Launchpad, Ubuntu, Debian
bionic
Released (5.4.0-1078.86~18.04.1)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oracle-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-oracle-5.11)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-raspi
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(x86 only)
impish Not vulnerable
(x86 only)
jammy Not vulnerable
(x86 only)
trusty Does not exist

upstream Not vulnerable
(x86 only)
xenial Does not exist

linux-raspi-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(x86 only)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Not vulnerable
(x86 only)
xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(x86 only)
focal Ignored
(replaced by linux-raspi)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Not vulnerable
(x86 only)
xenial Ignored
(end of standard support)
linux-raspi2-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-raspi-5.4)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Not vulnerable
(x86 only)
xenial Does not exist

linux-riscv
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.8)
impish Not vulnerable
(x86 only)
jammy Not vulnerable
(x86 only)
trusty Does not exist

upstream Not vulnerable
(x86 only)
xenial Does not exist

linux-riscv-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(x86 only)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Not vulnerable
(x86 only)
xenial Does not exist

linux-riscv-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.11)
impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Not vulnerable
(x86 only)
xenial Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(x86 only)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Not vulnerable
(x86 only)
xenial Ignored
(end of standard support)