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Red Hat: RHSA-2021-0681 Important: Podman Permissions Issue

red hat
Calendar Grey March 1, 2021
Dist Redhat Esm H88
A crucial security patch for Podman on Red Hat Enterprise Linux fixes a privilege escalation vulnerability. Discover further details here.
An update for podman is now available for Red Hat Enterprise Linux 7 Extras

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

Summary

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.

Topics%20covered

Topics Covered

security advisory Red Hat security fix Red Hat Enterprise Linux important permissions issue security impact important update podman container management

References

https://access.redhat.com/security/cve/CVE-2021-20188 https://access.redhat.com/security/updates/classification/#important

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/


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

An update for podman is now available for Red Hat Enterprise Linux 7Extras.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat security fix Red Hat Enterprise Linux important permissions issue security impact important update podman container management

Relevant Releases Architectures

Red Hat Enterprise Linux 7 Extras - noarch, ppc64le, s390x, x86_64

Bugs Fixed

1915734 - CVE-2021-20188 podman: container users permissions are not respected in privileged containers1930552 - podman can not create user inside of container - regression introduced by fix for CVE-2021-20188

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