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Red Hat: RHSA-2021-0710-01 Important Podman Security Fix Details

red hat
Calendar Grey March 3, 2021
Dist Redhat Esm H88
Red Hat container-tools:2.0 security update introduces vital enhancements and patches, improving security for containerized applications and fixing Podman vulnerabilities.
An update for the container-tools:2.0 module is now available for Red Hat Enterprise Linux 8.2 Extended Update Support

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 container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.
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 privilege escalation security fix Red Hat Enterprise Linux important podman container-tools privileged containers

References

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

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source: buildah-1.11.6-7.module+el8.2.0+9938+46853747.src.rpm cockpit-podman-11-1.module+el8.2.0+9938+46853747.src.rpm conmon-2.0.6-1.module+el8.2.0+9938+46853747.src.rpm container-selinux-2.124.0-1.module+el8.2.0+9938+46853747.src.rpm containernetworking-plugins-0.8.3-4.module+el8.2.0+9938+46853747.src.rpm criu-3.12-9.module+el8.2.0+9938+46853747.src.rpm fuse-overlayfs-0.7.2-5.module+el8.2.0+9938+46853747.src.rpm podman-1.6.4-19.module+el8.2.0+10175+e12b0910.src.rpm python-podman-api-1.2.0-0.2.gitd0a45fe.module+el8.2.0+9938+46853747.src.rpm runc-1.0.0-64.rc10.module+el8.2.0+9938+46853747.src.rpm skopeo-0.1.40-9.module+el8.2.0+9938+46853747.src.rpm slirp4netns-0.4.2-3.git21fdece.module+el8.2.0+9938+46853747.src.rpm toolbox-0.0.7-1.module+el8.2.0+9938+46853747.src.rpm udica-0.2.1-2.module+el8.2.0+9938+46853747.src.rpm
aarch64: buildah-1.11.6-7.module+el8.2.0+9938+46853747.aarch64.rpm buildah-debuginfo-1.11.6-7.module+el8.2.0+9938+46853747.aarch64.rpm buildah-debugsource-1.11.6-7.module+el8.2.0+9938+46853747.aarch64.rpm buildah-tests-1.11.6-7.module+el8.2.0+9938+46853747.aarch64.rpm buildah-tests-debuginfo-1.11.6-7.module+el8.2.0+9938+46853747.aarch64.rpm conmon-2.0.6-1.module+el8.2.0+9938+46853747.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:0710-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0710
Issue date: 2021-03-03

Topic

An update for the container-tools:2.0 module is now available for Red HatEnterprise Linux 8.2 Extended Update Support.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 privilege escalation security fix Red Hat Enterprise Linux important podman container-tools privileged containers

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1915734 - CVE-2021-20188 podman: container users permissions are not respected in privileged containers

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