Fedora 38: 2024-2aa28a4cfc critical: shim UEFI bootloader risk
fedora
March 18, 2024
Update to shim-15.8
Summary
Initial UEFI bootloader that handles chaining to a trusted full
bootloader under secure boot environments.
Update Information:
Update to shim-15.8
Change Log
* Tue Feb 20 2024 Peter Jones
References
[ 1 ] Bug #2113005 - Live image made with BOOTX64.EFI from latest shim-x64-15.6-2 fails to boot on some boards
https://bugzilla.redhat.com/show_bug.cgi?id=2113005
[ 2 ] Bug #2198977 - Secure boot shim cert seems to be out of date (exp. Dec. 2022)
https://bugzilla.redhat.com/show_bug.cgi?id=2198977
[ 3 ] Bug #2238884 - Version bump to 15.7
https://bugzilla.redhat.com/show_bug.cgi?id=2238884
[ 4 ] Bug #2259264 - Fedora fails to boot via BOOT/bootaa64->fbaa64 on UEFI machines with EFI_MEMORY_ATTRIBUTES_PROTOCOL
https://bugzilla.redhat.com/show_bug.cgi?id=2259264
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2024-2aa28a4cfc' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html
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Severity
critical
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Critical
Name: shim-unsigned-x64
Product: Fedora 38
Version: 15.8
Release: 2
Summary: First-stage UEFI bootloader
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