- 🌅 New day, new Flatcar releases! Alpha 4515.0.0, Beta 4459.1.1, and Stable 4459.2.0 are out with Linux 6.12.54, cgroups v1 kernel config mitigations, and major security updates across the stack. #Flatcar #Linux #ContainerLinux
- 🚨 All channels include critical fixes for runc vulnerabilities - CVE-2025-31133, CVE-2025-52565, CVE-2025-52881. Update soon to stay safe! #Flatcar #Security #runcNov 12, 2025 17:17
- 🛡️ 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.
- ⚙️ Beta 4459.1.1 → runc vuln fixes ✅, kernel CVE fixes, DHCP/TUN-TAP conflict fix, cgroups v1 mitigation, and improved Intel µcode handling.
- 🚀 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.
