CVE-2023-48733

Description

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

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

References

• https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137 ↗
• https://nvd.nist.gov/vuln/detail/CVE-2023-48733 ↗
• https://www.openwall.com/lists/oss-security/2024/02/14/4 ↗
• https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139 ↗
• https://lists.debian.org/debian-lts-announce/2024/06/msg00028.html ↗