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Red Hat Enterprise Linux 8 RHSA-2021:0705-01 Important Podman Security Fix

red hat
Calendar Grey March 2, 2021
Dist Redhat Esm H88
Critical container-tools:1.0 patch for Red Hat Enterprise Linux 8 resolves a user permissions vulnerability in podman.
An update for the container-tools:1.0 module is now available for Red Hat Enterprise Linux 8

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 security update red hat Red Hat Enterprise Linux important user permissions module update podman container-tools

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 (v. 8):
Source: buildah-1.5-8.gite94b4f9.module+el8.3.0+10171+12421f43.src.rpm container-selinux-2.124.0-1.gitf958d0c.module+el8.3.0+10171+12421f43.src.rpm containernetworking-plugins-0.7.4-4.git9ebe139.module+el8.3.0+10171+12421f43.src.rpm criu-3.12-9.module+el8.3.0+10171+12421f43.src.rpm fuse-overlayfs-0.3-5.module+el8.3.0+10171+12421f43.src.rpm oci-systemd-hook-0.1.15-2.git2d0b8a3.module+el8.3.0+10171+12421f43.src.rpm oci-umount-2.3.4-2.git87f9237.module+el8.3.0+10171+12421f43.src.rpm podman-1.0.0-8.git921f98f.module+el8.3.0+10171+12421f43.src.rpm runc-1.0.0-56.rc5.dev.git2abd837.module+el8.3.0+10171+12421f43.src.rpm skopeo-0.1.32-6.git1715c90.module+el8.3.0+10171+12421f43.src.rpm slirp4netns-0.1-5.dev.gitc4e1bc5.module+el8.3.0+10171+12421f43.src.rpm
aarch64: buildah-1.5-8.gite94b4f9.module+el8.3.0+10171+12421f43.aarch64.rpm buildah-debuginfo-1.5-8.gite94b4f9.module+el8.3.0+10171+12421f43.aarch64.rpm buildah-debugsource-1.5-8.gite94b4f9.module+el8.3.0+10171+12421f43.aarch64.rpm containernetworking-plugins-0.7.4-4.git9ebe139.module+el8.3.0+10171+12421f43.aarch64.rpm containernetworking-plugins-debuginfo-0.7.4-4.git9ebe139.module+el8.3.0+10171+12421f43.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:0705-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0705
Issue date: 2021-03-02

Topic

An update for the container-tools:1.0 module is now available for Red HatEnterprise Linux 8.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 security update red hat Red Hat Enterprise Linux important user permissions module update podman container-tools

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - 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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