RHSA-2021:1796 — Security Advisory
Red Hat Security Advisory: container-tools:rhel8 security, bug fix, and enhancement update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · May 18, 2021
Updated · June 27, 2026
Topic
An update for the container-tools:rhel8 module is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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.
Description
The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.
Security Fix(es):
-
golang: crypto/ssh: crafted authentication request can lead to nil pointer dereference (CVE-2020-29652)
-
podman: Remote traffic to rootless containers is seen as orginating from localhost (CVE-2021-20199)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.