Announcing new releases Alpha 4230.0.1, Beta 4186.1.1, Stable 4152.2.1, LTS 4081.3.1

[Flatcar Container Linux User]

Hello,

We are pleased to announce a new Flatcar Container Linux maintenance release for the Alpha, Beta, Stable and LTS-2024 channel. The releases backports the patches to fix the OpenSSH CVEs: CVE-2025-26465, CVE-2025-26466

New Alpha Release 4230.0.1

Changes since Alpha 4230.0.0

Security fixes:

• openssh (CVE-2025-26465, CVE-2025-26466)

Updates:

• openssh(9.8_p1-r4)

New Beta Release 4186.1.1

Changes since Beta 4186.1.0

Security fixes:

• openssh (CVE-2025-26465, CVE-2025-26466)

Updates:

• openssh(9.8_p1-r4)

New Stable Release 4152.2.1

Changes since Stable 4152.2.0

Security fixes:

• openssh (CVE-2025-26465, CVE-2025-26466)

Updates:

• openssh(9.8_p1-r4)

New LTS Release 4081.3.1

Changes since LTS 4081.3.0

Security fixes:

• openssh (CVE-2025-26465, CVE-2025-26466)

Updates:

• openssh(9.8_p1-r4)

Best,
The Flatcar Container Linux Maintainers