# ELSA-2021-0705: Security update for 15 packages

ELSA-2021-0705, released March 5, 2021, fixes 1 CVE across 15 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2021-0705
- Platform: Linux
- Released: Mar 5, 2021
- Priority: High (Closes CVE-2021-20188, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2021-0705.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [buildah](https://patchblox.com/security/data/product/linux/buildah.md) | ol 8 | 0:1.5-8.gite94b4f9.0.1.module+el8.3.0+9668+293abd4d |
| [container-selinux](https://patchblox.com/security/data/product/linux/container-selinux.md) | ol 8 | 2:2.124.0-1.gitf958d0c.module+el8.3.0+9668+293abd4d |
| [containernetworking-plugins](https://patchblox.com/security/data/product/linux/containernetworking-plugins.md) | ol 8 | 0:0.7.4-4.git9ebe139.module+el8.3.0+9668+293abd4d |
| [containers-common](https://patchblox.com/security/data/product/linux/containers-common.md) | ol 8 | 1:0.1.32-6.git1715c90.0.1.module+el8.3.0+9668+293abd4d |
| [crit](https://patchblox.com/security/data/product/linux/crit.md) | ol 8 | 0:3.12-9.module+el8.3.0+9668+293abd4d |
| [criu](https://patchblox.com/security/data/product/linux/criu.md) | ol 8 | 0:3.12-9.module+el8.3.0+9668+293abd4d |
| [fuse-overlayfs](https://patchblox.com/security/data/product/linux/fuse-overlayfs.md) | ol 8 | 0:0.3-5.module+el8.3.0+9668+293abd4d |
| [oci-systemd-hook](https://patchblox.com/security/data/product/linux/oci-systemd-hook.md) | ol 8 | 1:0.1.15-2.git2d0b8a3.module+el8.3.0+9668+293abd4d |
| [oci-umount](https://patchblox.com/security/data/product/linux/oci-umount.md) | ol 8 | 2:2.3.4-2.git87f9237.module+el8.3.0+9668+293abd4d |
| [podman](https://patchblox.com/security/data/product/linux/podman.md) | ol 8 | 0:1.0.0-8.git921f98f.module+el8.3.0+9668+293abd4d |
| [podman-docker](https://patchblox.com/security/data/product/linux/podman-docker.md) | ol 8 | 0:1.0.0-8.git921f98f.module+el8.3.0+9668+293abd4d |
| [python3-criu](https://patchblox.com/security/data/product/linux/python3-criu.md) | ol 8 | 0:3.12-9.module+el8.3.0+9668+293abd4d |
| [runc](https://patchblox.com/security/data/product/linux/runc.md) | ol 8 | 0:1.0.0-56.rc5.dev.git2abd837.module+el8.3.0+9668+293abd4d |
| [skopeo](https://patchblox.com/security/data/product/linux/skopeo.md) | ol 8 | 1:0.1.32-6.git1715c90.0.1.module+el8.3.0+9668+293abd4d |
| [slirp4netns](https://patchblox.com/security/data/product/linux/slirp4netns.md) | ol 8 | 0:0.1-5.dev.gitc4e1bc5.module+el8.3.0+9668+293abd4d |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-20188](https://patchblox.com/security/data/cve/CVE-2021-20188.md) | High | buildah-tests: The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.  Se... | 7.0 | 0.0026 |  |

---

Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo