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…
- Published
- Updated
- Reserved
- Assigned by
- canonical
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.
Timeline
ID reserved
By canonical
- 2 months later
· 2 months later
Published
- 8 months later
· 8 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| canonicalCNA (assigner) | 3.1 | Medium5.0 | CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium6.4 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.24% · top 84% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
- unaffected < 24.04
What to do
Workaround: Remove users from lxd group and configure multi-user LXD mode. https://discourse.ubuntu.com/t/easy-multi-user-lxd-setup/26215/4
References (4)
- https://discourse.ubuntu.com/t/easy-multi-user-lxd-setup/26215/4 (opens in a new tab)mitigationx_transferred
- https://ubuntu.com/security/CVE-2023-5536 (opens in a new tab)issue-trackingx_transferred
- https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1829071 (opens in a new tab)issue-trackingx_transferred
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5536 (opens in a new tab)issue-trackingx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-5536)Record last updated .