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Red Hat Security Advisory
Synopsis: Important: podman security update
Advisory ID: RHSA-2021:0681-01
Product: Red Hat Enterprise Linux Extras
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0681
Issue date: 2021-03-01
CVE Names: CVE-2021-20188
=====================================================================
1. Summary:
An update for podman is now available for Red Hat Enterprise Linux 7
Extras.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux 7 Extras - noarch, ppc64le, s390x, x86_64
3. Description:
The podman tool manages pods, container images, and containers. It is part
of the libpod library, which is for applications that use container pods.
Container pods is a concept in Kubernetes.
Security Fix(es):
* podman: container users permissions are not respected in privileged
containers (CVE-2021-20188)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1915734 - CVE-2021-20188 podman: container users permissions are not respected in privileged containers
1930552 - podman can not create user inside of container - regression introduced by fix for CVE-2021-20188
6. Package List:
Red Hat Enterprise Linux 7 Extras:
Source:
podman-1.6.4-29.el7_9.src.rpm
noarch:
podman-docker-1.6.4-29.el7_9.noarch.rpm
ppc64le:
podman-1.6.4-29.el7_9.ppc64le.rpm
podman-debuginfo-1.6.4-29.el7_9.ppc64le.rpm
s390x:
podman-1.6.4-29.el7_9.s390x.rpm
podman-debuginfo-1.6.4-29.el7_9.s390x.rpm
x86_64:
podman-1.6.4-29.el7_9.x86_64.rpm
podman-debuginfo-1.6.4-29.el7_9.x86_64.rpm
Red Hat Enterprise Linux 7 Extras:
Source:
podman-1.6.4-29.el7_9.src.rpm
noarch:
podman-docker-1.6.4-29.el7_9.noarch.rpm
x86_64:
podman-1.6.4-29.el7_9.x86_64.rpm
podman-debuginfo-1.6.4-29.el7_9.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2021-20188
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <[email protected]>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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