LXD Container Privilege Escalation

The vulnerability of the isVMLowLevelOptionForbidden function in the LXD container management system is related to the use of an incomplete blacklist when processing input data. Exploiting this vulnerability can allow a malicious actor to gain increased privileges remotely...

CVE-2026-34177

Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden lxd/project/limits/permissions.go, which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-machines.lowlevel=block project restriction. A remote...