Looking at the changelog (https://www.virtualbox.org/wiki/Changelog) I have no clue what could have fixed the issue
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1981669 Title: After updated from linux-image-5.14.0-1042-oem VirtualBox VMs started crashing Status in linux-signed-oem-5.14 package in Ubuntu: Confirmed Bug description: With kernel linux-image-5.14.0-1042-oem VirtualBox VM runs stable With kernel linux-image-5.14.0-1044-oem VirtualBox VM crashed constantly Wiht kernel linux-image-5.14.0-1045-oem VirtualBox VM crash multiple times a day ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.14.0-1045-oem 5.14.0-1045.51 ProcVersionSignature: Ubuntu 5.14.0-1045.51-oem 5.14.21 Uname: Linux 5.14.0-1045-oem x86_64 ApportVersion: 2.20.11-0ubuntu27.24 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: XFCE Date: Thu Jul 14 09:15:24 2022 InstallationDate: Installed on 2021-07-22 (356 days ago) InstallationMedia: Xubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) SourcePackage: linux-signed-oem-5.14 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-oem-5.14/+bug/1981669/+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