CVE-2023-5536

Name: CVE-2023-5536
Creator: NVD / NIST
Published: 2023-12-12T02:15:09.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.4/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2023-5536 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.4/10

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

EPSS Probability

0.24%

15.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Canonical	Ubuntu Linux	< 24.04

References

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

Timeline

Published: Dec 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5536?

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.

How severe is CVE-2023-5536?

CVE-2023-5536 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5536?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-5536?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST