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Medium ALSA-2021:1796 2 CVEs

Moderate: container-tools:rhel8 security, bug fix, and enhancement update

Published May 18, 2021 · Updated Oct 29, 2026

Summary

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 AlmaLinux Release Notes linked from the References section.

Fixed packages 11

ReleasePackageFixed in
AlmaLinux · 8 cockpit-podman 29-2.module_el8.6.0+2876+9ed4eae2
AlmaLinux · 8 conmon 2:2.0.26-1.module_el8.6.0+2876+9ed4eae2
AlmaLinux · 8 containernetworking-plugins 0.9.1-1.module_el8.6.0+2876+9ed4eae2
AlmaLinux · 8 crit 3.15-1.module_el8.6.0+2876+9ed4eae2
AlmaLinux · 8 criu 3.15-1.module_el8.6.0+2876+9ed4eae2
AlmaLinux · 8 fuse-overlayfs 1.4.0-2.module_el8.6.0+2876+9ed4eae2
AlmaLinux · 8 libslirp 4.3.1-1.module_el8.6.0+2876+9ed4eae2
AlmaLinux · 8 libslirp-devel 4.3.1-1.module_el8.6.0+2876+9ed4eae2
AlmaLinux · 8 python3-criu 3.15-1.module_el8.6.0+2876+9ed4eae2
AlmaLinux · 8 slirp4netns 1.1.8-1.module_el8.6.0+2876+9ed4eae2
AlmaLinux · 8 udica 0.2.4-1.module_el8.6.0+2876+9ed4eae2

Vulnerabilities 2

References

  • report
    https://vulners.com/cve/CVE-2020-29652
  • report
    https://vulners.com/cve/CVE-2021-20199