Releases in the usual place: flatcar.org/releases/

✅ Flatcar Stable 4459.2.2 available now!
📦 Linux updated to 6.12.61 with latest ca-certificates
🔒 Security-focused release with a large Linux kernel CVE fix set
🛡️ Recommended update for all Stable users

🧪 Flatcar Beta 4515.1.0 is out!
📦 Updated to Linux 6.12.61 + refreshed ca-certificates
🔒 Major Linux kernel CVE rollup and multiple userspace security fixes
✨ New minimal first-stage initrd & larger partitions (from Alpha)

🛡️ Stable: Linux 6.12.58 + udev fix for module loading
⚙️ Beta: Same kernel & fixes as Stable
🚀 Alpha: Adds back missing LDB modules (fixes SSSD) + improved sysext module loading

📜 Releases in the usual place:
www.flatcar.org/releases/

📜 Releases in the usual place:
www.flatcar.org/releases/
#Flatcar #ContainerLinux #Release

🚀 Alpha 4515.0.0 → runc vuln fixes ✅, plus OpenSSH/OpenSSL/Intel/NVIDIA CVEs, Azure image shrunk to 30 GB, Fusion SCSI disk drivers are back, and
refreshed SDK & firmware.

⚙️ Beta 4459.1.1 → runc vuln fixes ✅, kernel CVE fixes, DHCP/TUN-TAP conflict fix, cgroups v1 mitigation, and improved Intel µcode handling.

🛡️ Stable 4459.2.0 → runc vuln fixes ✅ + Linux 6.12.54, new overlaybd sysext, Hyper-V using systemd-sysext layering, cgroups v1 mitigation, and CVE patches for OpenSSH, OpenSSL, curl, git, libxml2, NVIDIA, Intel µcode & more.

🚨 All channels include critical fixes for runc vulnerabilities -
CVE-2025-31133, CVE-2025-52565, CVE-2025-52881. Update soon to stay safe!
#Flatcar #Security #runc

On Sunday 17th 4:00pm, fosstodon.org/@tormath1 will run a workshop to learn how to run, build and update systemd-sysext images on image based systems. programm.froscon.org/2025/events/...

#systemd #sysext #linux #flatcar #OpenSource #DevOps #FrOSCon

On Saturday 16th 6:15pm, fromm.social/@thilo will demo Kubernetes deployment using Flatcar and systemd-sysext and how to handle the updates. programm.froscon.org/2025/events/...

#systemd #sysext #linux #flatcar #OpenSource #DevOps #FrOSCon