Medium · 6.7 CVE-2023-49721 EUVD-2023-53649GHSA-4639-7gfm-29p2

An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot.

Published Feb 14, 2024 · Updated Oct 24, 2024 · Assigned by canonical

Vendor: Canonical Product: LXD

Description

An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot.

Affected products

Vendor	Product	Affected	Fixed
Canonical	LXD	—	—

References

https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139 issue-tracking
https://nvd.nist.gov/vuln/detail/CVE-2023-48733 issue-tracking
https://www.openwall.com/lists/oss-security/2024/02/14/4 mailing-list
https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137 issue-tracking