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
Author | Note |
---|---|
sbeattie | RHEL8 only |
Priority
Status
Package | Release | Status |
---|---|---|
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)
|
|
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
(end of life, was not-affected)
|
eoan |
Does not exist
|
|
focal |
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
(end of life, was not-affected)
|
eoan |
Not vulnerable
(RHEL 8 kernel only)
|
|
focal |
Not vulnerable
(RHEL 8 kernel only)
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(RHEL 8 kernel only)
|
|
xenial |
Does not exist
|
|
linux-oem-osp1 Launchpad, Ubuntu, Debian |
focal |
Does not exist
|
bionic |
Not vulnerable
(RHEL 8 kernel only)
|
|
eoan |
Not vulnerable
(RHEL 8 kernel only)
|
|
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)
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(RHEL 8 kernel only)
|
|
xenial |
Does not exist
|
|
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)
|
|
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-5.3 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(RHEL 8 kernel only)
|
eoan |
Does not exist
|
|
focal |
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
|
|
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
(end of life, was not-affected)
|
eoan |
Not vulnerable
(RHEL 8 kernel only)
|
|
focal |
Not vulnerable
(RHEL 8 kernel only)
|
|
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
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(RHEL 8 kernel only)
|
|
xenial |
Does not exist
|
|
linux-azure-edge Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was not-affected)
|
eoan |
Does not exist
|
|
focal |
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
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(RHEL 8 kernel only)
|
|
xenial |
Does not exist
|
|
linux-gcp-edge Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was not-affected)
|
eoan |
Does not exist
|
|
focal |
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
|
|
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
|
|
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
|
|
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
|
|
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
(end of life, was not-affected)
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(RHEL 8 kernel only)
|
|
xenial |
Ignored
(end of life, was not-affected)
|
|
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)
|
|
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
|
|
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
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(RHEL 8 kernel only)
|
|
xenial |
Ignored
(end of standard support, was not-affected)
|
|
linux-oem-5.6 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
eoan |
Does not exist
|
|
focal |
Not vulnerable
(RHEL 8 kernel only)
|
|
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)
|
|
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
(end of life, was not-affected)
|
eoan |
Does not exist
|
|
focal |
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
|
|
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
(end of life, was not-affected)
|
|
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
|
|
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)
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(RHEL 8 kernel only)
|
|
xenial |
Not vulnerable
(RHEL 8 kernel 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 |