CVE-2026-63298

Name	CVE-2026-63298
Description	An improper neutralization of special elements vulnerability in LXD's NVIDIA instance configuration handling allows an authenticated attacker to inject arbitrary configuration directives. By supplying newline characters within the 'nvidia.driver.capabilities' or 'nvidia.require.*' configuration values, an attacker can manipulate the generated lxc.conf file. This flaw enables the attacker to execute arbitrary code on the host system with the privileges of the LXD daemon.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
lxd (PTS)	bookworm, bookworm (security)	5.0.2-5+deb12u6	vulnerable
	trixie (security), trixie	5.0.2+git20231211.1364ae4-9+deb13u7	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
lxd	source	(unstable)	(unfixed)

https://github.com/canonical/lxd/security/advisories/GHSA-vfh7-q59q-54v2