Kernel update to 4.4.162-94.69 reports invalid signature on secure boot enabled systems
This document (7023512) is provided subject to the disclaimer at the end of this document.
Environment
SUSE Linux Enterprise Server 12 Service Pack 3 (SLES 12 SP3)
Situation
After updating SLES 12 SP3 to kernel to 4.4.162-94-69 booting the system fails at the grub screen with:
/boot/vmlinuz-4.4.162-94.69-default has invalid signature
/boot/vmlinuz-4.4.162-94.69-default has invalid signature
Resolution
Fix:
Please update to kernel 4.4.162-94.72 or later to address this issue.
Workaround:
Please use the option "Start bootloader from a read-only snapshot" in the grub menu and boot the system with a previous working kernel. Once done, run
Please use the option "Start bootloader from a read-only snapshot" in the grub menu and boot the system with a previous working kernel. Once done, run
snapper rollback
to activate the current snapshot as new default.
Cause
A problem with the signature in the current kernel.
Disclaimer
This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.
- Document ID:7023512
- Creation Date: 12-Nov-2018
- Modified Date:03-Mar-2020
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- SUSE Linux Enterprise Server
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