{"id":943,"date":"2024-07-17T00:09:48","date_gmt":"2024-07-17T00:09:48","guid":{"rendered":"https:\/\/serverhost.com\/blog\/ubuntu-rushes-to-implement-apparmor-fix-for-flatpak-app-startup-issues\/"},"modified":"2025-02-11T06:16:38","modified_gmt":"2025-02-11T06:16:38","slug":"ubuntu-rushes-to-implement-apparmor-fix-for-flatpak-app-startup-issues","status":"publish","type":"post","link":"https:\/\/serverhost.com\/blog\/ubuntu-rushes-to-implement-apparmor-fix-for-flatpak-app-startup-issues\/","title":{"rendered":"Ubuntu Rushes to Implement AppArmor Fix for Flatpak App Startup Issues"},"content":{"rendered":"<p><p><strong>The recent <a href=\"https:\/\/www.omgubuntu.co.uk\/2024\/06\/apparmor-update-fix-coming-ubuntu\" rel=\"nofollow noopener\" target=\"_blank\">update to AppArmor<\/a> to remedy issues with 3rd-party apps being unable to run on Ubuntu 24.04 LTS (due to its security hardening) inadvertently prevents a fleet of popular Flatpak apps from running either.<\/strong><\/p>\n<\/p>\n<p><p>The <em>Telegram Desktop<\/em>, <em>KeePassXC<\/em>, and <em>Steam<\/em> clients are among Flatpak apps users have reported issues with, seemingly due to the AppArmor profile tweaks for the <a href=\"https:\/\/github.com\/containers\/bubblewrap\" target=\"_blank\" rel=\"nofollow noopener\">Bubblewrap sandboxing tool<\/a> the prior update introduced.<\/p>\n<\/p>\n<p><p>To be clear: snap, DEB, and binary versions of the software above are not affected, only Flatpak packages installed from stores like <a href=\"https:\/\/flathub.org\" target=\"_blank\" rel=\"nofollow noopener\"><em>Flathub<\/em><\/a>.<\/p>\n<\/p>\n<p><p>But good news: Ubuntu\u2019s developers <a href=\"https:\/\/bugs.launchpad.net\/ubuntu\/+source\/apparmor\/+bug\/2072811\" target=\"_blank\" rel=\"nofollow noopener\">got to work to identify the cause<\/a>, aided by sterling investigative efforts from the wider community, and the bug report marked \u2018fix committed\u2019 a few hours ago.<\/p>\n<\/p>\n<p><p>A fixed package got added to the <em>proposed<\/em> repo last night. Usually, packages sit in <em>proposed<\/em> for a week or so, but this update has been <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/apparmor\/4.0.1really4.0.0-beta3-0ubuntu0.1\" target=\"_blank\" rel=\"nofollow noopener\">fast-tracked to the <em>updates<\/em> channel already<\/a>, so it should be available to install via <em>Software Updater<\/em> imminently.<\/p>\n<p>The package version with the Flatpak fix is <code>4.0.1really4.0.0-beta3-0ubuntu0.1<\/code>, and the change-log notes it \u201cdrops \/etc\/apparmor.d\/bwrap-userns-restrict, allowing various Flatpak apps to save files again\u201d.<\/p>\n<p>So if you\u2019ve been frustrated that a few of your favourite Flatpak apps fail to open on Ubuntu 24.04 LTS, you now know why, and that a fix is inbound.<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The recent update to AppArmor to remedy issues with 3rd-party apps being unable to run on Ubuntu 24.04 LTS (due to its security hardening) inadvertently prevents a fleet of popular Flatpak apps from running either. The Telegram Desktop, KeePassXC, and Steam clients are among Flatpak apps users have reported issues with, seemingly due to the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":944,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[541,566,567,4,131],"tags":[],"class_list":["post-943","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-apparmor","category-bugs","category-flatpak-apps","category-news","category-ubuntu-24-04-lts"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ubuntu Fixes AppArmor for Flatpak Startup serverhost<\/title>\n<meta name=\"description\" content=\"Ubuntu is addressing AppArmor-related issues with Flatpak app startup, aiming to enhance security and improve app compatibility on Linux systems for a smoother user experience.\" \/>\n<meta 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