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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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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