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CVE-2020-10774

Published: 27 May 2021

A memory disclosure flaw was found in the Linux kernel's versions before 4.18.0-193.el8 in the sysctl subsystem when reading the /proc/sys/kernel/rh_features file. This flaw allows a local user to read uninitialized values from the kernel memory. The highest threat from this vulnerability is to confidentiality.

Notes

AuthorNote
sbeattie
RHEL8 only
Priority

Medium

CVSS 3 base score: 5.5

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Not vulnerable
(RHEL 8 kernel only)
focal Not vulnerable
(RHEL 8 kernel only)
precise Ignored
(was not-affected (RHEL 8 kernel only) ESM criteria)
trusty Ignored
(was not-affected (RHEL 8 kernel only) ESM criteria)
upstream Not vulnerable
(RHEL 8 kernel only)
xenial Not vulnerable
(RHEL 8 kernel only)
linux-aws
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Not vulnerable
(RHEL 8 kernel only)
focal Not vulnerable
(RHEL 8 kernel only)
precise Does not exist

trusty Ignored
(was not-affected (RHEL 8 kernel only) ESM criteria)
upstream Not vulnerable
(RHEL 8 kernel only)
xenial Not vulnerable
(RHEL 8 kernel only)
linux-aws-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(was not-affected (RHEL 8 kernel only) now end-of-life)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-aws-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

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

eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Not vulnerable
(RHEL 8 kernel only)
linux-azure
Launchpad, Ubuntu, Debian
bionic Ignored
(was not-affected (RHEL 8 kernel only) now end-of-life)
eoan Not vulnerable
(RHEL 8 kernel only)
focal Not vulnerable
(RHEL 8 kernel only)
precise Does not exist

trusty Ignored
(was not-affected (RHEL 8 kernel only) ESM criteria)
upstream Not vulnerable
(RHEL 8 kernel only)
xenial Not vulnerable
(RHEL 8 kernel only)
linux-azure-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-azure-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(was not-affected (RHEL 8 kernel only) now end-of-life)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-gcp
Launchpad, Ubuntu, Debian
bionic Ignored
(was not-affected (RHEL 8 kernel only) now end-of-life)
eoan Not vulnerable
(RHEL 8 kernel only)
focal Not vulnerable
(RHEL 8 kernel only)
precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Not vulnerable
(RHEL 8 kernel only)
linux-gcp-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-gcp-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-gcp-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(was not-affected (RHEL 8 kernel only) now end-of-life)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-gke-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-gke-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Not vulnerable
(RHEL 8 kernel only)
linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(was not-affected (RHEL 8 kernel only) now end-of-life)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Ignored
(was not-affected (RHEL 8 kernel only) now end-of-life)
linux-kvm
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Not vulnerable
(RHEL 8 kernel only)
focal Not vulnerable
(RHEL 8 kernel only)
precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Not vulnerable
(RHEL 8 kernel only)
linux-lts-trusty
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Does not exist

precise Ignored
(was not-affected (RHEL 8 kernel only) ESM criteria)
trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

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

eoan Does not exist

focal Does not exist

precise Does not exist

trusty Ignored
(was not-affected (RHEL 8 kernel only) ESM criteria)
upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Not vulnerable
(RHEL 8 kernel only)
focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Ignored
(was not-affected (RHEL 8 kernel only) now end-of-life)
linux-oem-5.6
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Not vulnerable
(RHEL 8 kernel only)
precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Not vulnerable
(RHEL 8 kernel only)
focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Not vulnerable
(RHEL 8 kernel only)
focal Not vulnerable
(RHEL 8 kernel only)
precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Not vulnerable
(RHEL 8 kernel only)
linux-oracle-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(was not-affected (RHEL 8 kernel only) now end-of-life)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-oracle-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

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

eoan Does not exist

focal Not vulnerable
(RHEL 8 kernel only)
precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Not vulnerable
(RHEL 8 kernel only)
focal Ignored
(was not-affected (RHEL 8 kernel only) now end-of-life)
precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Not vulnerable
(RHEL 8 kernel only)
linux-raspi2-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

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

eoan Does not exist

focal Not vulnerable
(RHEL 8 kernel only)
precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(RHEL 8 kernel only)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Not vulnerable
(RHEL 8 kernel only)
xenial Not vulnerable
(RHEL 8 kernel only)