I've experienced this (https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/2056190) in Kubuntu 24.04:
- related to Firefox and Firefox-based browsers (Waterfox, Librewolf, Midori, Floorp, Mullvad) installed from deb, running locally ("portable"), or as appimage, while flatpak and snap versions are NOT affected (as far as I've been able to test, given that only Firefox seems available as snap) - related to kernel version 6.8.0 in 24.04, while 6.5 was not affected -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/2046844 Title: AppArmor user namespace creation restrictions cause many applications to crash with SIGTRAP To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/akonadiconsole/+bug/2046844/+subscriptions -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs