# CVE-2020-27352: snapd: When generating the systemd service units for the docker snap (and other similar snaps), snapd does not specify Deleg...

CVE-2020-27352 is fixed in 9 products on 1 platform, first by golang-github-snapcore-snapd-dev 2.48.3+18.04, released February 9, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-27352
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 9, 2021

## Description

When generating the systemd service units for the docker snap (and other similar snaps), snapd does not specify Delegate=yes - as a result systemd will move processes from the containers created and managed by these snaps into the cgroup of the main daemon within the snap itself when reloading system units. This may grant additional privileges to a container within the snap that were not originally intended.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | golang-github-snapcore-snapd-dev Ubuntu 18.04.6 LTS (bionic) | 2.48.3+18.04 | [golang-github-snapcore-snapd-dev 2.48.3+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-golang-github-snapcore-snapd-dev-2.48.3-18.04.md) | Feb 9, 2021 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 20.04 LTS (focal) | 2.48.3+20.04 | [golang-github-snapcore-snapd-dev 2.48.3+20.04](https://patchblox.com/security/data/fix/linux/ubuntu-focal-golang-github-snapcore-snapd-dev-2.48.3-20.04.md) | Feb 9, 2021 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 18.04.6 LTS (bionic) | 2.48.3+18.04 | [golang-github-ubuntu-core-snappy-dev 2.48.3+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-golang-github-ubuntu-core-snappy-dev-2.48.3-18.04.md) | Feb 9, 2021 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 20.04 LTS (focal) | 2.48.3+20.04 | [golang-github-ubuntu-core-snappy-dev 2.48.3+20.04](https://patchblox.com/security/data/fix/linux/ubuntu-focal-golang-github-ubuntu-core-snappy-dev-2.48.3-20.04.md) | Feb 9, 2021 |
| Linux | snap-confine Ubuntu 18.04.6 LTS (bionic) | 2.48.3+18.04 | [snap-confine 2.48.3+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snap-confine-2.48.3-18.04.md) | Feb 9, 2021 |
| Linux | snap-confine Ubuntu 20.04 LTS (focal) | 2.48.3+20.04 | [snap-confine 2.48.3+20.04](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snap-confine-2.48.3-20.04.md) | Feb 9, 2021 |
| Linux | snapd Debian 12.15 (bookworm) | 2.49-1 | [DEBIAN-CVE-2020-27352](https://patchblox.com/security/data/fix/linux/debian-cve-2020-27352.md) | Jun 21, 2024 |
| Linux | snapd Debian 13.5 (trixie) | 2.49-1 | [DEBIAN-CVE-2020-27352](https://patchblox.com/security/data/fix/linux/debian-cve-2020-27352.md) | Jun 21, 2024 |
| Linux | snapd Debian 14 | 2.49-1 | [DEBIAN-CVE-2020-27352](https://patchblox.com/security/data/fix/linux/debian-cve-2020-27352.md) | Jun 21, 2024 |
| Linux | snapd Ubuntu 18.04.6 LTS (bionic) | 2.48.3+18.04 | [snapd 2.48.3+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapd-2.48.3-18.04.md) | Feb 9, 2021 |
| Linux | snapd Ubuntu 20.04 LTS (focal) | 2.48.3+20.04 | [snapd 2.48.3+20.04](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snapd-2.48.3-20.04.md) | Feb 9, 2021 |
| Linux | snapd-xdg-open Ubuntu 18.04.6 LTS (bionic) | 2.48.3+18.04 | [snapd-xdg-open 2.48.3+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapd-xdg-open-2.48.3-18.04.md) | Feb 9, 2021 |
| Linux | snapd-xdg-open Ubuntu 20.04 LTS (focal) | 2.48.3+20.04 | [snapd-xdg-open 2.48.3+20.04](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snapd-xdg-open-2.48.3-20.04.md) | Feb 9, 2021 |
| Linux | ubuntu-core-launcher Ubuntu 18.04.6 LTS (bionic) | 2.48.3+18.04 | [ubuntu-core-launcher 2.48.3+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-core-launcher-2.48.3-18.04.md) | Feb 9, 2021 |
| Linux | ubuntu-core-launcher Ubuntu 20.04 LTS (focal) | 2.48.3+20.04 | [ubuntu-core-launcher 2.48.3+20.04](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-core-launcher-2.48.3-20.04.md) | Feb 9, 2021 |
| Linux | ubuntu-core-snapd-units Ubuntu 18.04.6 LTS (bionic) | 2.48.3+18.04 | [ubuntu-core-snapd-units 2.48.3+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-core-snapd-units-2.48.3-18.04.md) | Feb 9, 2021 |
| Linux | ubuntu-core-snapd-units Ubuntu 20.04 LTS (focal) | 2.48.3+20.04 | [ubuntu-core-snapd-units 2.48.3+20.04](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-core-snapd-units-2.48.3-20.04.md) | Feb 9, 2021 |
| Linux | ubuntu-snappy Ubuntu 18.04.6 LTS (bionic) | 2.48.3+18.04 | [ubuntu-snappy 2.48.3+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-snappy-2.48.3-18.04.md) | Feb 9, 2021 |
| Linux | ubuntu-snappy Ubuntu 20.04 LTS (focal) | 2.48.3+20.04 | [ubuntu-snappy 2.48.3+20.04](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-snappy-2.48.3-20.04.md) | Feb 9, 2021 |
| Linux | ubuntu-snappy-cli Ubuntu 18.04.6 LTS (bionic) | 2.48.3+18.04 | [ubuntu-snappy-cli 2.48.3+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-snappy-cli-2.48.3-18.04.md) | Feb 9, 2021 |
| Linux | ubuntu-snappy-cli Ubuntu 20.04 LTS (focal) | 2.48.3+20.04 | [ubuntu-snappy-cli 2.48.3+20.04](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-snappy-cli-2.48.3-20.04.md) | Feb 9, 2021 |

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