Flatcar Container Linux

Flatcar is the leading community-driven, auto-updating Container Linux distro. A CNCF incubating project.
Also at: 🐘 @[email protected] / 🦋 @flatcar.org

[Flatcar Container Linux @flatcar]

@LinusTech's latest video - POV: When you realize deploying your own VPN can be simple and secure with Flatcar #Flatcar #VPN #LinusTechTips
https://t.co/DqkAbjaU5f

[Flatcar Container Linux @flatcar]

We are ready folks! Our address is P-8A at the project pavillion.

Please come and talk with our maintainers @yudocaa and Jan

[K8sContributors @K8sContributors]

Maintainer Track starts in 15 minutes! Come hear updates from numerous SIGs and WGs, KServe, cri-o, @keycloak, @buildpacks_io, @metal3_io, @volcano_sh, Emissary-ingress, @HelmPack, @CortexMetrics, in-toto, @daprdev, @TheLimaProject, @flatcar, @fluxcd, @kyverno and @kubevirt!

[Flatcar Container Linux @flatcar]

New Flatcar releases for all channels now available!
🩹 Fix a remaining bug on emudhra AAA certificate
📜 Release notes at the usual spot: https://t.co/rZjTiO6NNA

[Flatcar Container Linux @flatcar]

🚀 New Flatcar Beta, Stable & LTS releases are out!

🔒 Security fixes: Kernel (PwnEscape, InfinityCore Timer) & Go CA certificates
📦 Updates: Go 1.26.10, ca-certificates 3.131.1
Keep your nodes up to date!

📜 https://t.co/rZjTiO6NNA

#Flatcar #Linux

[Flatcar Container Linux @flatcar]

If you’re running Flatcar, please update your workloads to the latest release for your channel.

📜 Release notes in the usual spot: https://t.co/rZjTiO6fY2

#Flatcar #Linux

[Flatcar Container Linux @flatcar]

🔐New Flatcar maintenance security releases are out!
• Alpha 4820.0.1
• Beta 4790.1.1
• Stable 4757.2.1

These releases include OpenSSL security fixes addressing multiple high-severity CVEs, along with patch-level Linux kernel updates and bug fixes.

#Security #OpenSSL

[Flatcar Container Linux @flatcar]

Releases in the usual place: https://t.co/rZjTiO6fY2

[Flatcar Container Linux @flatcar]

New Flatcar releases are out! 🚢
* Alpha 4820.0.0
* Beta 4790.1.0
* Stable 4757.2.0

This round brings kernel and runtime updates, security fixes, networking improvements, and a substantial Stable rollout.

[Flatcar Container Linux @flatcar]

Highlights:
🧪 Alpha: Ignition 2.27.0, Linux 6.12.109 + better early-boot networking.
🛠 Beta: Linux 6.12.109, Docker 29.1.3 + Podman 6.0.0.
✅ Stable: OCI images + signed sysexts; Equinix Metal and Rackspace support removed.

[Navaneeth @navaneethstwt]

4th time's the charm. 🚀

After 3 terms of LFX rejections, I officially got selected for the LFX Mentorship (2026 Term 3)!

I’ll be contributing to @flatcar Container Linux, building a Cloud-Init to Butane YAML config transpiler.

Also special thanks to my mentor tormath1.

[Flatcar Container Linux @flatcar]

Not happy to only maintain a distro, the team has been able to forecast the #Proxmox ARM64 support by releasing Flatcar ARM64 images for Proxmox 2y ago! Give it a shot with the updated documentation: https://t.co/SGBWovhHVS and huge congrats Proxmox folks for this update.

[Flatcar Container Linux @flatcar]

View the complete release notes and download the latest Flatcar releases on our (awesomely refactored) release page:

https://t.co/hbVLngy8x6

#Flatcar #ContainerLinux #CloudNative #Linux

[Flatcar Container Linux @flatcar]

New Flatcar Container Linux releases are now available:

• Beta 4722.1.0
• Stable 4593.2.4
• LTS-2024 4081.3.9
Here’s what’s included in each release. 🧵

[Flatcar Container Linux @flatcar]

Stable 4593.2.4 includes:
• Linux 6.12.95
• Updated CA certificates
• Security fixes for the Linux kernel
LTS-2024 4081.3.9 includes:
• Linux 6.6.144
• Updated CA certificates
• Linux kernel security fixes

[Flatcar Container Linux @flatcar]

📚 Flatcar docs got a HUGE refresh:
- reorganised around what you're actually trying to do (PR 599)
- plus a rebuilt https://t.co/SSXmahiKK1 page (PR 605). Bugs will slip through, please report them!

Thanks @CloudNativeFdn, Bruce Hamilton, Seth McEvoy & Uchechukwu Obasi 💖

[Flatcar Container Linux @flatcar]

New Flatcar Alpha, Beta and Stable releases now available!
📦 Many package updates: OpenSSH, Kernel, systemd
🔒 CVE fixes & security patches
📷 Oracle Cloud Infrastructure support
📜 Release notes at the usual spot: https://t.co/rZjTiO6fY2

[Flatcar Container Linux @flatcar]

📜 Release notes at the usual spot: https://t.co/rZjTiO6fY2

[Flatcar Container Linux @flatcar]

🚀New Flatcar releases for all channels now available! 🚀

- Alpha 4694.0.1
- Beta 4628.1.2
- Stable 4593.2.2
- LTS-2024 4081.3.8

#linux #cloudnative #containers #updates

[Flatcar Container Linux @flatcar]

📦 Package updates: Linux 6.12.91 (Alpha/Beta/Stable), Linux 6.6.141 (LTS), ca-certificates 3.124
🔒 Security maintenance release for the recently disclosed kernel LPEs Fragnesia (CVE-2026-46300) and ssh-keysign-pwn (CVE-2026-46333), plus the usual kernel CVE roll-up

[Flatcar Container Linux @flatcar]

📜 Releases in the usual place:
https://t.co/rZjTiO6NNA

[Flatcar Container Linux @flatcar]

🚨 Fresh Flatcar Alpha, Beta, and Stable releases are now out with Linux 6.12.87 and a large set of kernel security fixes.

The recently disclosed Linux “Dirty Frag” privilege escalation flaws are addressed in these releases.

[Flatcar Container Linux @flatcar]

🚀 Alpha 4694.0.0
⚙️ Beta 4628.1.1
🛡️ Stable 4593.2.1

Highlights:
• Linux 6.12.87
• Kernel security fixes
• EROFS tools for containerd
• OEM partition mount rework
• ARM64 QEMU/KVM VNC serial logging
• Updated firmware & CA certs