This is caused by duplicate entries in the DBX database shipped by Lenovo on certain laptops: https://lore.kernel.org/lkml/c8c65713-5cda-43ad-8018-20f2e32e4...@t-8ch.de/T/#m879b8faa1c2e415aef81e6cf42faa70f304773d9
It can be safely ignored. ** Information type changed from Private Security to Public -- 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/2012789 Title: blacklist: Problem blacklisting hash (-13) Status in linux package in Ubuntu: New Bug description: [ 0.794819] Key type blacklist registered [ 4.860504] blacklist: Loading compiled-in revocation X.509 certificates [ 4.916587] blacklist: Problem blacklisting hash (-13) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2012789/+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
