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Medium RLSA-2021:4221 1 CVE

Moderate: container-tools:2.0 security update

Published Nov 9, 2021 · Updated Feb 4, 2026

Summary

The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.

Security Fix(es):

* buildah: Host environment variables leaked in build container when using chroot isolation (CVE-2021-3602)

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 Rocky Linux 8.5 Release Notes linked from the References section.

Fixed packages 37

ReleasePackageFixed in
Rocky Linux · 8 buildah 0:1.11.6-9.module+el8.5.0+708+6758137d
Rocky Linux · 8 cockpit-podman 0:11-1.module+el8.5.0+770+e2f49861
Rocky Linux · 8 cockpit-podman 0:11-1.module+el8.4.0+559+c02fa3b2
Rocky Linux · 8 cockpit-podman 0:11-1.module+el8.5.0+708+6758137d
Rocky Linux · 8 conmon 2:2.0.15-1.module+el8.5.0+770+e2f49861
Rocky Linux · 8 conmon 2:2.0.15-1.module+el8.4.0+559+c02fa3b2
Rocky Linux · 8 conmon 2:2.0.15-1.module+el8.5.0+708+6758137d
Rocky Linux · 8 container-selinux 2:2.130.0-1.module+el8.5.0+770+e2f49861
Rocky Linux · 8 container-selinux 2:2.130.0-1.module+el8.4.0+559+c02fa3b2
Rocky Linux · 8 container-selinux 2:2.130.0-1.module+el8.5.0+708+6758137d
Rocky Linux · 8 containernetworking-plugins 0:0.8.3-4.module+el8.5.0+770+e2f49861
Rocky Linux · 8 containernetworking-plugins 0:0.8.3-4.module+el8.4.0+559+c02fa3b2
Rocky Linux · 8 containernetworking-plugins 0:0.8.3-4.module+el8.5.0+708+6758137d
Rocky Linux · 8 criu 0:3.12-9.module+el8.5.0+681+c9a1951f
Rocky Linux · 8 criu 0:3.12-9.module+el8.4.0+557+48ba8b2f
Rocky Linux · 8 fuse-overlayfs 0:0.7.8-1.module+el8.5.0+770+e2f49861
Rocky Linux · 8 fuse-overlayfs 0:0.7.8-1.module+el8.4.0+559+c02fa3b2
Rocky Linux · 8 fuse-overlayfs 0:0.7.8-1.module+el8.5.0+708+6758137d
Rocky Linux · 8 podman 0:1.6.4-26.module+el8.4.0+559+c02fa3b2
Rocky Linux · 8 podman 0:1.6.4-26.module+el8.5.0+708+6758137d
Rocky Linux · 8 python-podman-api 0:1.2.0-0.2.gitd0a45fe.module+el8.5.0+770+e2f49861
Rocky Linux · 8 python-podman-api 0:1.2.0-0.2.gitd0a45fe.module+el8.4.0+559+c02fa3b2
Rocky Linux · 8 python-podman-api 0:1.2.0-0.2.gitd0a45fe.module+el8.5.0+708+6758137d
Rocky Linux · 8 runc 0:1.0.0-66.rc10.module+el8.5.0+770+e2f49861
Rocky Linux · 8 runc 0:1.0.0-66.rc10.module+el8.5.0+708+6758137d
Rocky Linux · 8 skopeo 1:0.1.41-4.module+el8.5.0+770+e2f49861
Rocky Linux · 8 skopeo 1:0.1.41-4.module+el8.4.0+559+c02fa3b2
Rocky Linux · 8 skopeo 1:0.1.41-4.module+el8.5.0+708+6758137d
Rocky Linux · 8 slirp4netns 0:0.4.2-3.git21fdece.module+el8.5.0+770+e2f49861
Rocky Linux · 8 slirp4netns 0:0.4.2-3.git21fdece.module+el8.4.0+536+994a2182
Rocky Linux · 8 slirp4netns 0:0.4.2-3.git21fdece.module+el8.5.0+708+6758137d
Rocky Linux · 8 toolbox 0:0.0.7-1.module+el8.5.0+770+e2f49861
Rocky Linux · 8 toolbox 0:0.0.7-1.module+el8.4.0+559+c02fa3b2
Rocky Linux · 8 toolbox 0:0.0.7-1.module+el8.5.0+708+6758137d
Rocky Linux · 8 udica 0:0.2.1-2.module+el8.5.0+770+e2f49861
Rocky Linux · 8 udica 0:0.2.1-2.module+el8.4.0+559+c02fa3b2
Rocky Linux · 8 udica 0:0.2.1-2.module+el8.5.0+708+6758137d

Vulnerabilities 1

  • Medium 5.5

    Buildah processes using chroot isolation may leak environment values to intermediate processes

    An information disclosure flaw was found in Buildah, when building containers using chroot isolation. Running processes in container builds (e.g. Dockerfile RUN commands) can access environment variables from parent and grandparent processes. When run in a co…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1969264