Ubuntu Security Notices Search results for "kernel" Ubuntu Security Notices USN ID, name, description or CVE ID contains 1 - 10 of 624 results USN-8033-4: Linux kernel (AWS) vulnerabilities 13 February 2026 Several security issues were fixed in the Linux kernel. Ubuntu 20.04 LTS CVE ID CVE-2025-40153 , CVE-2025-40118 , CVE-2025-39971 + 111 others USN-7990-4: Linux kernel (Oracle) vulnerabilities 12 February 2026 Several security issues were fixed in the Linux kernel. Ubuntu 20.04 LTS, 18.04 LTS CVE ID CVE-2025-21726 , CVE-2022-49698 , CVE-2025-40019 USN-8034-1: Linux kernel (NVIDIA Tegra) vulnerabilities 12 February 2026 Several security issues were fixed in the Linux kernel. Ubuntu 22.04 LTS, 20.04 LTS CVE ID CVE-2025-40154 , CVE-2025-40121 , CVE-2025-40109 + 112 others USN-8033-1: Linux kernel vulnerabilities 12 February 2026 Several security issues were fixed in the Linux kernel. Ubuntu 22.04 LTS, 20.04 LTS CVE ID CVE-2025-40153 , CVE-2025-40118 , CVE-2025-39971 + 111 others USN-8013-4: Linux kernel vulnerabilities 11 February 2026 Several security issues were fixed in the Linux kernel. Ubuntu 22.04 LTS, 20.04 LTS CVE ID CVE-2025-38561 , CVE-2025-40019 USN-7990-3: Linux kernel (Xilinx ZynqMP) vulnerabilities 11 February 2026 Several security issues were fixed in the Linux kernel. Ubuntu 20.04 LTS CVE ID CVE-2025-21726 , CVE-2022-49698 , CVE-2025-40019 USN-8013-1: Linux kernel vulnerabilities 4 February 2026 Several security issues were fixed in the Linux kernel. Ubuntu 22.04 LTS, 20.04 LTS CVE ID CVE-2025-38561 , CVE-2025-40019 USN-7990-2: Linux kernel (FIPS) vulnerabilities 30 January 2026 Several security issues were fixed in the Linux kernel. Ubuntu 20.04 LTS CVE ID CVE-2022-49698 , CVE-2025-21726 , CVE-2025-40019 USN-7990-1: Linux kernel vulnerabilities 30 January 2026 Several security issues were fixed in the Linux kernel. Ubuntu 20.04 LTS, 18.04 LTS CVE ID CVE-2025-40019 , CVE-2022-49698 , CVE-2025-21726 LSN-0117-1: Kernel Live Patch Security Notice 29 January 2026 Several security issues were fixed in the kernel. Ubuntu 24.04 LTS, 22.04 LTS, 20.04 LTS, 18.04 LTS CVE ID CVE-2025-21647 , CVE-2025-22036 , CVE-2025-21704 + 8 others Previous page 1 2 3 4 5 Next page Resources Join the discussion Ubuntu security updates mailing list Security announcements mailing list Further reading Loading... Canonical is offering Expanded Security Maintenance Canonical is offering Ubuntu Expanded Security Maintenance (ESM) for security fixes and essential packages. Find out more about ESM ›