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OpenAdvisories
Medium ALSA-2021:4221 1 CVE

Moderate: container-tools:2.0 security update

Published Nov 9, 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):

* 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 AlmaLinux Release Notes linked from the References section.

Fixed packages 35

ReleasePackageFixed in
AlmaLinux · 8 cockpit-podman 11-1.module_el8.5.0+108+00865455
AlmaLinux · 8 cockpit-podman 11-1.module_el8.5.0+2635+e4386a39
AlmaLinux · 8 conmon 2:2.0.15-1.module_el8.5.0+108+00865455
AlmaLinux · 8 conmon 2:2.0.15-1.module_el8.5.0+2635+e4386a39
AlmaLinux · 8 container-selinux 2:2.130.0-1.module_el8.5.0+2635+e4386a39
AlmaLinux · 8 container-selinux 2:2.130.0-1.module_el8.5.0+108+00865455
AlmaLinux · 8 containernetworking-plugins 0.8.3-4.module_el8.5.0+2635+e4386a39
AlmaLinux · 8 containernetworking-plugins 0.8.3-4.module_el8.5.0+108+00865455
AlmaLinux · 8 containers-common 1:0.1.41-4.module_el8.5.0+108+00865455
AlmaLinux · 8 containers-common 1:0.1.41-4.module_el8.5.0+2635+e4386a39
AlmaLinux · 8 crit 3.12-9.module_el8.3.0+2044+12421f43
AlmaLinux · 8 crit 3.12-9.module_el8.4.0+2496+12421f43
AlmaLinux · 8 crit 3.12-9.module_el8.5.0+119+9a9ec082
AlmaLinux · 8 criu 3.12-9.module_el8.4.0+2496+12421f43
AlmaLinux · 8 criu 3.12-9.module_el8.3.0+2044+12421f43
AlmaLinux · 8 criu 3.12-9.module_el8.5.0+119+9a9ec082
AlmaLinux · 8 fuse-overlayfs 0.7.8-1.module_el8.5.0+108+00865455
AlmaLinux · 8 fuse-overlayfs 0.7.8-1.module_el8.5.0+2635+e4386a39
AlmaLinux · 8 python-podman-api 1.2.0-0.2.gitd0a45fe.module_el8.5.0+2635+e4386a39
AlmaLinux · 8 python-podman-api 1.2.0-0.2.gitd0a45fe.module_el8.5.0+108+00865455
AlmaLinux · 8 python3-criu 3.12-9.module_el8.3.0+2044+12421f43
AlmaLinux · 8 python3-criu 3.12-9.module_el8.4.0+2496+12421f43
AlmaLinux · 8 python3-criu 3.12-9.module_el8.5.0+119+9a9ec082
AlmaLinux · 8 runc 1.0.0-66.rc10.module_el8.5.0+2635+e4386a39
AlmaLinux · 8 runc 1.0.0-66.rc10.module_el8.5.0+108+00865455
AlmaLinux · 8 skopeo 1:0.1.41-4.module_el8.5.0+2635+e4386a39
AlmaLinux · 8 skopeo 1:0.1.41-4.module_el8.5.0+108+00865455
AlmaLinux · 8 skopeo-tests 1:0.1.41-4.module_el8.5.0+108+00865455
AlmaLinux · 8 skopeo-tests 1:0.1.41-4.module_el8.5.0+2635+e4386a39
AlmaLinux · 8 slirp4netns 0.4.2-3.git21fdece.module_el8.5.0+2635+e4386a39
AlmaLinux · 8 slirp4netns 0.4.2-3.git21fdece.module_el8.5.0+108+00865455
AlmaLinux · 8 toolbox 0.0.7-1.module_el8.5.0+108+00865455
AlmaLinux · 8 toolbox 0.0.7-1.module_el8.5.0+2635+e4386a39
AlmaLinux · 8 udica 0.2.1-2.module_el8.5.0+108+00865455
AlmaLinux · 8 udica 0.2.1-2.module_el8.5.0+2635+e4386a39

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://vulners.com/cve/CVE-2021-3602