CVE-2023-5536

Severity: medium (CVSS 6.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-12 · updated 2026-06-17
Weakness: CWE-276

Description

A feature in LXD (LP#1829071), affects the default configuration of Ubuntu Server which allows privileged users in the lxd group to escalate their privilege to root without requiring a sudo password.

Affected products

Canonical Ubuntu Linux: before 24.04 — fixed in 24.04

How to fix

Upgrade to a fixed version: Canonical Ubuntu Linux 24.04. Check the vendor advisory for mitigations.

References

https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1829071
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5536
https://discourse.ubuntu.com/t/easy-multi-user-lxd-setup/26215/4
https://ubuntu.com/security/CVE-2023-5536
https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1829071
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5536
https://discourse.ubuntu.com/t/easy-multi-user-lxd-setup/26215/4
https://ubuntu.com/security/CVE-2023-5536

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