Updated pydantic, x.org X server, and Linux kernel packages are available for Ubuntu Linux: [USN-6553-1] Pydantic vulnerability [USN-6555-1] X.Org X Server vulnerabilities [USN-6548-3] Linux kernel (Oracle) vulnerabilities [USN-6534-3] Linux kernel vulnerabilities [USN-6549-3] Linux kernel (Low Latency) vulnerabilities [USN-6555-2] X.Org X Server vulnerabilities