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THREATINT
PUBLISHED

CVE-2020-27352



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.

Reserved 2020-10-20 | Published 2024-06-21 | Updated 2024-08-04 | Assigner canonical


CRITICAL: 9.3CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Product status

Any version before 2.48.3
affected

Credits

Gilad Reti finder

Nimrod Stoler finder

References

bugs.launchpad.net/snapd/+bug/1910456 issue-tracking

ubuntu.com/security/notices/USN-4728-1 vendor-advisory

www.cve.org/CVERecord?id=CVE-2020-27352 issue-tracking

cve.org (CVE-2020-27352)

nvd.nist.gov (CVE-2020-27352)

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