An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot.CreditsMate KukriReferenceshttps://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139https://nvd.nist.gov/vuln/detail/CVE-2023-48733https://www.openwall.com/lists/oss-security/2024/02/14/4https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137
