CoreOS April 2026

coreos@lists.fedoraproject.org

4 participants
9 discussions

CVE-2026-31431: copy fail fix heading to Fedora CoreOS stable stream
by Dusty Mabe 30 Apr '26

30 Apr '26

The copy fail security flaw in the Linux kernel [1] has been fixed in the following versions of Fedora CoreOS: - stable 43.20260413.3.2 (released today) - testing 44.20260419.2.1 (released 04/28) - next 44.20260414.1.1 (released a few weeks ago) Since there were multiple `stable` releases this week you may want to force an update manually if you have a periodic update strategy configured [2] as there is currently a bug [3] that can cause the already staged older update to be the one that gets applied during your window. To force an update now and immediately reboot into the update you can run `sudo /usr/bin/zincati-update-now`. The Fedora CoreOS Team [1] https://github.com/coreos/fedora-coreos-tracker/issues/2140 [2] https://coreos.github.io/zincati/usage/updates-strategy/#periodic-strategy [3] https://github.com/coreos/zincati/issues/928

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Fedora CoreOS rebasing to Fedora Linux 44
by Michael Armijo 29 Apr '26

29 Apr '26

Fedora Linux 44 has been released[1]. The Fedora CoreOS `testing` stream has been rebased and is currently rolling out with version `44.20260419.2.1`. This update will come to the `stable` stream in a few weeks. For more information about Fedora 44, see the Fedora Project's list of official Changes [2] and the Fedora CoreOS analysis of each Change [3]. There are a few changes on the Fedora CoreOS side going into this release that may require attention: - Setting the `container_use_cephfs` and `virt_use_samba` SELinux booleans to on has been dropped [4]. These knobs were historically set at the request of OpenShift but are no longer necessary for Fedora CoreOS to set. They now retain the default value shipped in Fedora RPMs. If you were relying on these settings you may need to re-apply them after updating. - The location of SSH authorized keys overlay files has moved in Fedora 44 [5][6]. Following the transition in Fedora 43 where `ssh-key-dir` was replaced by an overlay, the location of these overlay files has been moved again to better align with upstream standards. In Fedora 43, the configuration was delivered by CoreOS at `/etc/ssh/sshd_config.d/40-authorized-keys-file.conf`. In Fedora 44, the configuration is delivered by the Ignition and Afterburn RPMs at `/etc/ssh/sshd_config.d/90-afterburn-authorized-keys-file.conf` and `/etc/ssh/sshd_config.d/91-ignition-authorized-keys-file.conf`. If you previously updated any `AuthorizedKeysFile` config to handle the Fedora 43 change, you may need to update it again. - Fedora CoreOS 44 ships with podman 5.8.0, which introduces an automatic migration of the container database from BoltDB to SQLite [7][8]. BoltDB support will be fully removed in Podman 6.0, expected to ship with Fedora 45 [9]. The migration is designed to happen automatically with no user intervention. Most users will not notice any change in functionality. Should you encounter any issues during this transition, please file an upstream bug at https://github.com/containers/podman. - The functionality from `nfs-utils-coreos` has been folded into a generic `nfs-client-utils` package [10]. This is a non-breaking change — NFS client mounts should continue to work as before. Please test out the `testing` stream over the coming weeks and report any issues in our issue tracker [11]. The Fedora CoreOS team. [1] https://fedoramagazine.org/announcing-fedora-linux-44/ [2] https://fedoraproject.org/wiki/Releases/44/ChangeSet [3] https://github.com/coreos/fedora-coreos-tracker/issues/2063 [4] https://github.com/coreos/fedora-coreos-config/pull/3997 [5] https://github.com/coreos/fedora-coreos-config/pull/3885 [6] https://github.com/coreos/fedora-coreos-config/pull/3885#issuecomment-40131… [7] https://lists.fedoraproject.org/archives/list/coreos@lists.fedoraproject.or… [8] https://github.com/coreos/fedora-coreos-tracker/issues/2110 [9] https://fedoraproject.org/wiki/Changes/Podman6 [10] https://github.com/coreos/fedora-coreos-config/pull/3680 [11] https://github.com/coreos/fedora-coreos-tracker

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[Fedocal] Reminder meeting : Fedora CoreOS Group Weekly Meeting
by dusty＠dustymabe.com 28 Apr '26

28 Apr '26

Dear all, You are kindly invited to the meeting: Fedora CoreOS Group Weekly Meeting on 2026-04-29 from 15:30:00 to 16:30:00 UTC The meeting will be about: This is the meeting for the Fedora CoreOS Working Group. We typically go over previous meeting action items and then cover all tickets with the meeting keyword: https://github.com/coreos/fedora-coreos-tracker/labels/meeting. For how to run the meeting, see https://github.com/coreos/fedora-coreos-tracker#steps-to-run-the-meeting Location: https://matrix.to/#/#meeting-1:fedoraproject.org More Info: https://github.com/coreos/fedora-coreos-tracker#meetings Source: https://calendar.fedoraproject.org//meeting/9437/

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Fedora CoreOS Community Meeting Minutes 2026-04-22
by Steven Presti 22 Apr '26

22 Apr '26

Minutes: fedora-coreos-meeting.2026-04-22-15.37.html <https://meetbot-raw.fedoraproject.org//meeting-1_matrix_fedoraproject-org/2…> Minutes (text): fedora-coreos-meeting.2026-04-22-15.37.log.txt <https://meetbot-raw.fedoraproject.org//meeting-1_matrix_fedoraproject-org/2…> Log: fedora-coreos-meeting.2026-04-22-15.37.log.html <https://meetbot-raw.fedoraproject.org//meeting-1_matrix_fedoraproject-org/2…> ===================================== # #meeting-1:fedoraproject.org: fedora_coreos_meeting ===================================== Meeting started by @spresti:fedora.im at 2026-04-22 15:37:37 Meeting summary --------------- * TOPIC: roll call (@spresti:fedora.im, 15:38:04) * TOPIC: Action items from last meeting (@spresti:fedora.im, 15:38:30) * TOPIC: there are no action items from the last meeting. (@spresti:fedora.im, 15:38:45) * TOPIC: Review Fedora 44 Release Schedule (@spresti:fedora.im, 15:39:50) * LINK: https://fedorapeople.org/groups/schedule/f-44/f-44-key-tasks.html (@spresti:fedora.im, 15:39:58) * TOPIC: New Package Request: fcoe-utils (@spresti:fedora.im, 15:42:17) * LINK: https://github.com/coreos/fedora-coreos-tracker/issues/956 (@spresti:fedora.im, 15:42:25) * AGREED: We will not be adding the package "fcoe-utils" (@spresti:fedora.im, 16:10:07) * TOPIC: systemd-oomd for Fedora CoreOS (@spresti:fedora.im, 16:10:48) * LINK: https://github.com/coreos/fedora-coreos-tracker/issues/840 (@spresti:fedora.im, 16:11:03) * LINK: https://lore.kernel.org/linux-pm/20260320192735.748051-1-nphamcs@gmail.com/ (@conan_kudo:matrix.org, 16:22:25) * AGREED: we will undo the change and make sure the next releases of CoreOS don't ship with systemd-oomd enabled (@spresti:fedora.im, 16:29:17) * TOPIC: Open Floor (@spresti:fedora.im, 16:30:39) Meeting ended at 2026-04-22 16:37:08 Action items ------------ People Present (lines said) --------------------------- * @dustymabe:matrix.org (59) * @spresti:fedora.im (37) * @siosm:fedora.im (35) * @jbtrystram:matrix.org (12) * @rapneset:matrix.org (10) * @conan_kudo:matrix.org (9) * @zodbot:fedora.im (8) * @angelcr:matrix.org (5) * @marmijo:fedora.im (5) * @meetbot:fedora.im (2) * @peytonrobertson:matrix.org (2) * @jcapitao:matrix.org (2) * @nemric:relativit.fr (2) * @buckaroogeek:fedora.im (1) * @cjp256:matrix.org (1) * @hricky:fedora.im (1) * @cadejacobson:matrix.org (1) <https://meetbot-raw.fedoraproject.org//meeting-1_matrix_fedoraproject-org/2…>

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[Fedocal] Reminder meeting : Fedora CoreOS Group Weekly Meeting
by dusty＠dustymabe.com 21 Apr '26

21 Apr '26

Dear all, You are kindly invited to the meeting: Fedora CoreOS Group Weekly Meeting on 2026-04-22 from 15:30:00 to 16:30:00 UTC The meeting will be about: This is the meeting for the Fedora CoreOS Working Group. We typically go over previous meeting action items and then cover all tickets with the meeting keyword: https://github.com/coreos/fedora-coreos-tracker/labels/meeting. For how to run the meeting, see https://github.com/coreos/fedora-coreos-tracker#steps-to-run-the-meeting Location: https://matrix.to/#/#meeting-1:fedoraproject.org More Info: https://github.com/coreos/fedora-coreos-tracker#meetings Source: https://calendar.fedoraproject.org//meeting/9437/

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Fedora CoreOS Community Meeting Minutes 2026-04-15
by Yasmin de Souza 15 Apr '26

15 Apr '26

Minutes: https://meetbot.fedoraproject.org/meeting-1_matrix_fedoraproject-org/2026-0… Minutes (text): https://meetbot.fedoraproject.org/meeting-1_matrix_fedoraproject-org/2026-0… Log: https://meetbot.fedoraproject.org/meeting-1_matrix_fedoraproject-org/2026-0… Meeting started by @ydesouza:fedora.im at 2026-04-15 15:36:30 Meeting summary --------------- * TOPIC: roll call (@ydesouza:fedora.im, 15:36:35) * TOPIC: Action items from last meeting (@ydesouza:fedora.im, 15:39:45) * LINK: https://fedorapeople.org/groups/schedule/f-44/f-44-key-tasks.html (@ydesouza:fedora.im, 15:40:33) * TOPIC: Review Fedora 44 Release Schedule (@ydesouza:fedora.im, 15:40:33) * LINK: https://github.com/coreos/fedora-coreos-tracker/issues/2126 (@ydesouza:fedora.im, 15:44:16) * TOPIC: Use afterburn to generate NetworkManager connection profile configurations (keyfiles) (@ydesouza:fedora.im, 15:44:16) * IDEA: 💭 Pilot to use afterburn to generate NetworkManager connection profile configurations on Hetzner (@ydesouza:fedora.im, 16:28:21) * AGREED: Pilot to use afterburn to generate NetworkManager connection profile configurations on Hetzner (@ydesouza:fedora.im, 16:34:40) Meeting ended at 2026-04-15 16:36:03 Action items ------------ People Present (lines said) --------------------------- * @dustymabe:matrix.org (33) * @ydesouza:fedora.im (29) * @rapneset:matrix.org (20) * @siosm:fedora.im (19) * @zodbot:fedora.im (11) * @marmijo:fedora.im (5) * @siosm:matrix.org (4) * @angelcr:matrix.org (2) * @jcapitao:matrix.org (2) * @meetbot:fedora.im (2) * @ravanelli:matrix.org (2) * @hricky:fedora.im (1) * @tlbueno:fedora.im (1) * @peytonrobertson:matrix.org (1) * @cadejacobson:matrix.org (1) -- *Yasmin Valim de Souza* Associate Software Engineer, CoreOS Engineering Red Hat <https://www.redhat.com/> @redhat <https://twitter.com/redhat> @red-hat <https://www.linkedin.com/company/red-hat> @redhatinc <https://www.instagram.com/redhatinc> <https://www.redhat.com/> <https://redhat.com/options>

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[Fedocal] Reminder meeting : Fedora CoreOS Group Weekly Meeting
by dusty＠dustymabe.com 14 Apr '26

14 Apr '26

Dear all, You are kindly invited to the meeting: Fedora CoreOS Group Weekly Meeting on 2026-04-15 from 15:30:00 to 16:30:00 UTC The meeting will be about: This is the meeting for the Fedora CoreOS Working Group. We typically go over previous meeting action items and then cover all tickets with the meeting keyword: https://github.com/coreos/fedora-coreos-tracker/labels/meeting. For how to run the meeting, see https://github.com/coreos/fedora-coreos-tracker#steps-to-run-the-meeting Location: https://matrix.to/#/#meeting-1:fedoraproject.org More Info: https://github.com/coreos/fedora-coreos-tracker#meetings Source: https://calendar.fedoraproject.org//meeting/9437/

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[Fedocal] Reminder meeting : Fedora CoreOS Group Weekly Meeting
by dusty＠dustymabe.com 07 Apr '26

07 Apr '26

Dear all, You are kindly invited to the meeting: Fedora CoreOS Group Weekly Meeting on 2026-04-08 from 15:30:00 to 16:30:00 UTC The meeting will be about: This is the meeting for the Fedora CoreOS Working Group. We typically go over previous meeting action items and then cover all tickets with the meeting keyword: https://github.com/coreos/fedora-coreos-tracker/labels/meeting. For how to run the meeting, see https://github.com/coreos/fedora-coreos-tracker#steps-to-run-the-meeting Location: https://matrix.to/#/#meeting-1:fedoraproject.org More Info: https://github.com/coreos/fedora-coreos-tracker#meetings Source: https://calendar.fedoraproject.org//meeting/9437/

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Fedora CoreOS Community Meeting Minutes 2026-04-01
by Yasmin de Souza 01 Apr '26

01 Apr '26

Minutes: https://meetbot.fedoraproject.org/meeting-1_matrix_fedoraproject-org/2026-0… Minutes (text): https://meetbot.fedoraproject.org/meeting-1_matrix_fedoraproject-org/2026-0… Log: https://meetbot.fedoraproject.org/meeting-1_matrix_fedoraproject-org/2026-0… ===================================== # #meeting-1:fedoraproject.org: fedora_coreos_meeting ===================================== Meeting started by @ydesouza:fedora.im at 2026-04-01 15:29:55 Meeting summary --------------- * TOPIC: roll call (@ydesouza:fedora.im, 15:30:02) * TOPIC: Action items from last meeting (@ydesouza:fedora.im, 15:34:07) * TOPIC: there are no action items from the last meeting. (@ydesouza: fedora.im, 15:34:17) * LINK: https://fedorapeople.org/groups/schedule/f-44/f-44-key-tasks.html (@ydesouza:fedora.im, 15:34:42) * TOPIC: Review Fedora 44 Release Schedule (@ydesouza:fedora.im, 15:34:42) * LINK: https://qa.fedoraproject.org/blockerbugs/milestone/44/final/buglist (@dustymabe:matrix.org, 15:36:31) * ACTION: Tiago Bueno will update our release rotation document to add weekly releases for `next` (@ydesouza:fedora.im, 15:43:34) * LINK: https://github.com/coreos/fedora-coreos-tracker/issues/2126 (@ydesouza:fedora.im, 15:51:59) * TOPIC: Use afterburn to generate NetworkManager connection profile configurations (keyfiles) (@ydesouza:fedora.im, 15:51:59) * TOPIC: Open Floor (@ydesouza:fedora.im, 15:59:30) Meeting ended at 2026-04-01 16:31:14 Action items ------------ * Tiago Bueno will update our release rotation document to add weekly releases for `next` People Present (lines said) --------------------------- * @dustymabe:matrix.org (39) * @ydesouza:fedora.im (28) * @zodbot:fedora.im (18) * @peytonrobertson:matrix.org (15) * @siosm:matrix.org (11) * @marmijo:fedora.im (9) * @cjp256:matrix.org (7) * @nemric:relativit.fr (4) * @cadejacobson:matrix.org (4) * @angelcr:matrix.org (4) * @spresti:fedora.im (3) * @rapneset:matrix.org (2) * @meetbot:fedora.im (2) * @tlbueno:fedora.im (2) * @ravanelli:matrix.org (1) * @hricky:fedora.im (1) -- *Yasmin Valim de Souza* Associate Software Engineer, CoreOS Engineering Red Hat <https://www.redhat.com/> @redhat <https://twitter.com/redhat> @red-hat <https://www.linkedin.com/company/red-hat> @redhatinc <https://www.instagram.com/redhatinc> <https://www.redhat.com/> <https://redhat.com/options>

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CoreOS April 2026