CVE-2023-5536
First published: Tue Dec 12 2023(Updated: )
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.
Credit: security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu | <24.04 |
Remedy
Remove users from lxd group and configure multi-user LXD mode. https://discourse.ubuntu.com/t/easy-multi-user-lxd-setup/26215/4
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- 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://security-tracker.debian.org/tracker/CVE-2023-5536
- https://launchpad.net/bugs/cve/CVE-2023-5536
- https://www.cve.org/CVERecord?id=CVE-2023-5536
- https://nvd.nist.gov/vuln/detail/CVE-2023-5536
Frequently Asked Questions
What is the severity of CVE-2023-5536?
CVE-2023-5536 has been classified as a high-severity vulnerability due to the potential for privilege escalation.
How do I fix CVE-2023-5536?
To mitigate CVE-2023-5536, ensure that users in the lxd group do not have unnecessary privileges and apply the latest security updates from Ubuntu.
Who is affected by CVE-2023-5536?
CVE-2023-5536 affects Ubuntu Server versions prior to 24.04 with the default LXD configuration.
What type of vulnerability is CVE-2023-5536?
CVE-2023-5536 is a privilege escalation vulnerability that allows unauthorized access to root privileges.
Can CVE-2023-5536 be exploited remotely?
CVE-2023-5536 typically requires local access to the system, as it involves privileged users in the lxd group.
- agent/type
- collector/security-tracker-debian
- source/Debian
- collector/launchpad-cve
- source/Launchpad
- agent/remedy
- agent/weakness
- agent/severity
- agent/references
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/usn-cve
- source/Ubuntu
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- agent/author
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- vendor/canonical
- canonical/ubuntu