Not attaching logs since I can't boot the affected kernels, and this is a packaging issue.
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1852799 Title: Regression: modules in bionic -hwe-18.04-edge kernels aren't signed since 5.3.0-22 Status in linux package in Ubuntu: Confirmed Bug description: In linux-modules-5.3.0-19-generic and earlier, on bionic, modules were signed (note "signat: PKCS#7"): $ modinfo /lib/modules/5.3.0-19-generic/kernel/arch/x86/kernel/cpuid.ko filename: /lib/modules/5.3.0-19-generic/kernel/arch/x86/kernel/cpuid.ko license: GPL description: x86 generic CPUID driver author: H. Peter Anvin <h...@zytor.com> srcversion: 94362896973583C3E6E82D1 depends: retpoline: Y intree: Y name: cpuid vermagic: 5.3.0-19-generic SMP mod_unload signat: PKCS#7 signer: sig_key: sig_hashalgo: md4 Recently they haven't been (note complete absence of signature fields): $ modinfo /lib/modules/5.3.0-22-generic/kernel/arch/x86/kernel/cpuid.ko filename: /lib/modules/5.3.0-22-generic/kernel/arch/x86/kernel/cpuid.ko license: GPL description: x86 generic CPUID driver author: H. Peter Anvin <h...@zytor.com> srcversion: 94362896973583C3E6E82D1 depends: retpoline: Y intree: Y name: cpuid vermagic: 5.3.0-22-generic SMP mod_unload $ modinfo /lib/modules/5.3.0-23-generic/kernel/arch/x86/kernel/cpuid.ko filename: /lib/modules/5.3.0-23-generic/kernel/arch/x86/kernel/cpuid.ko license: GPL description: x86 generic CPUID driver author: H. Peter Anvin <h...@zytor.com> srcversion: 94362896973583C3E6E82D1 depends: retpoline: Y intree: Y name: cpuid vermagic: 5.3.0-23-generic SMP mod_unload As a result I can't load any modules if I boot via UEFI secure boot! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1852799/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp