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Ubuntu: USN-4728-1 (CVE-2020-27352): snapd vulnerability

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Ubuntu: USN-4728-1 (CVE-2020-27352): snapd vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/10/2021
Created
02/13/2021
Added
02/10/2021
Modified
03/22/2023

Description

Gilad Reti and Nimrod Stoler discovered that snapd did not correctly specify cgroup delegation when generating systemd service units for various container management snaps. This could allow a local attacker to escalate privileges via access to arbitrary devices of the container host from within a compromised or malicious container.

Solution(s)

  • ubuntu-upgrade-snapd

References

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