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Ubuntu Security Notices (USN)

Source: https://ubuntu.com/security/notices

8,409 results · Feed

  • Critical max 9.8
    USN-7796-2 7 CVEs

    linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Framebuffer layer; - BTRFS file system; - Ext4 file system; - Network file sy…

    first Oct 2, 2025
  • Critical max 9.8
    USN-7795-4 5 CVEs

    linux-oracle-5.4 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Ext4 file system; - Network file system (NFS) server daemon; - Packet sockets…

    first Oct 24, 2025
  • Critical max 9.8
    USN-7795-3 5 CVEs

    linux-aws-fips vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Ext4 file system; - Network file system (NFS) server daemon; - Packet sockets…

    first Oct 8, 2025
  • Critical max 9.8
    USN-7774-4 142 CVEs 1 exploited

    linux-kvm vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI driver…

    first Oct 1, 2025
  • Critical max 9.8
    USN-7797-3 10 CVEs

    linux-aws vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Virtio block driver; - Media drivers; - Network drivers; - Framebuffer layer;…

    first Oct 21, 2025
  • Critical max 9.8
    USN-7795-5 5 CVEs

    linux-raspi-5.4 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Ext4 file system; - Network file system (NFS) server daemon; - Packet sockets…

    first Nov 7, 2025
  • Critical max 9.8
    USN-7795-2 5 CVEs

    linux-fips, linux-gcp-fips vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Ext4 file system; - Network file system (NFS) server daemon; - Packet sockets…

    first Oct 2, 2025
  • High max 7.8
    USN-7791-3 4 CVEs

    linux-gcp, linux-gcp-6.14, linux-oem-6.14 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Packet sockets; - Network traffic control; - VMware vSockets driver; - XFRM s…

    first Oct 6, 2025
  • Unscored
    USN-7829-4 4 CVEs

    linux-aws-5.15 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - Network drivers; - Netlink; (CVE-2024-26700, CVE-2025-38727, C…

    first Oct 27, 2025
  • Critical max 9.8
    USN-7819-2 16 CVEs

    linux-azure-fips vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - Device tree and open firmware driver; - SCSI subsystem; - …

    first Oct 21, 2025
  • High max 7.8
    USN-7811-1 3 CVEs

    linux-nvidia-tegra-igx vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Packet sockets; - Network traffic control; - VMware vSockets driver; (CVE-202…

    first Oct 8, 2025
  • High max 7.8
    USN-7810-3 4 CVEs

    linux-azure-fips vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - Packet sockets; - Network traffic control; - VMware vSocke…

    first Oct 14, 2025
  • High max 7.8
    USN-7808-2 8 CVEs

    linux-azure-6.8 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - Ext4 file system; - SMB network file system; - Packet sock…

    first Oct 14, 2025
  • Critical max 9.8
    USN-7801-1 107 CVEs

    linux-hwe-6.8 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Accel…

    first Oct 2, 2025
  • Critical max 9.8
    USN-7797-2 10 CVEs

    linux-aws, linux-lts-xenial vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Virtio block driver; - Media drivers; - Network drivers; - Framebuffer layer;…

    first Oct 2, 2025
  • High max 7.8
    USN-7791-1 4 CVEs

    linux, linux-aws, linux-aws-6.14, linux-hwe-6.14, linux-realtime vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Packet sockets; - Network traffic control; - VMware vSockets driver; - XFRM s…

    first Oct 2, 2025
  • Critical max 9.8
    USN-7775-2 143 CVEs 1 exploited

    linux-azure vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI driver…

    first Sep 26, 2025
  • Critical max 9.8
    USN-7704-1 21 CVEs

    linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gcp-5.15, linux-gkeop, linux-hwe-5.15, linux-ibm-5.15, linux-intel-iot-realtime, linux-intel-iotg-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-nvidia-tegra-igx, linux-oracle-5.15, linux-realtime, linux-xilinx-zynqmp vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - Arm Firmware Framework for ARMv8-A(FFA); - Multiple devi…

    first Aug 20, 2025
  • Unscored
    USN-7829-3 4 CVEs

    linux-azure, linux-azure-5.15, linux-gcp-5.15 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - Network drivers; - Netlink; (CVE-2024-26700, CVE-2025-38727, C…

    first Oct 22, 2025
  • High max 7.8
    USN-7810-1 4 CVEs

    linux-azure vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - Packet sockets; - Network traffic control; - VMware vSocke…

    first Oct 8, 2025
  • Critical max 9.8
    USN-7819-1 16 CVEs

    linux-azure, linux-azure-5.4 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - Device tree and open firmware driver; - SCSI subsystem; - …

    first Oct 13, 2025
  • High max 7.8
    USN-7810-2 4 CVEs

    linux-azure-5.15 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - Packet sockets; - Network traffic control; - VMware vSocke…

    first Oct 14, 2025
  • High max 7.8
    USN-7808-1 8 CVEs

    linux-azure vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - Ext4 file system; - SMB network file system; - Packet sock…

    first Oct 8, 2025
  • Critical max 9.8
    USN-7801-3 107 CVEs

    linux-oracle-6.8 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Accel…

    first Oct 15, 2025
  • High max 7.8
    USN-7799-1 6 CVEs

    linux-realtime, linux-realtime-6.8 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Ext4 file system; - Packet sockets; - Network traffic control; - TLS protocol…

    first Oct 2, 2025
  • Critical max 9.8
    USN-7789-1 184 CVEs 1 exploited

    linux-oracle-6.14 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer…

    first Oct 1, 2025
  • Critical max 9.8
    USN-7774-5 142 CVEs 1 exploited

    linux-nvidia-tegra-igx vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI driver…

    first Oct 6, 2025
  • Critical max 9.8
    USN-7737-1 188 CVEs

    linux-azure, linux-azure-6.8, linux-azure-nvidia vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - S390 architecture; - x86 archit…

    first Sep 3, 2025
  • Critical max 9.8
    USN-7800-1 106 CVEs

    linux-raspi-realtime vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - x86 architecture; - Compute Acceleration Framework; - B…

    first Oct 2, 2025
  • Critical max 9.8
    USN-7796-4 7 CVEs

    linux-azure-fips vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Framebuffer layer; - BTRFS file system; - Ext4 file system; - Network file sy…

    first Oct 13, 2025
  • Critical max 9.8
    USN-7769-2 183 CVEs 1 exploited

    linux-realtime-6.14 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer…

    first Sep 24, 2025
  • High max 7.8
    USN-7793-5 3 CVEs

    linux-gke vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Packet sockets; - Network traffic control; - VMware vSockets driver; (CVE-202…

    first Oct 8, 2025
  • Critical max 9.8
    USN-7820-1 8 CVEs

    linux-oracle vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Ext4 file system; - Network file system (NFS) server daemon; - Packet sockets…

    first Oct 13, 2025
  • High max 7.8
    USN-7792-3 6 CVEs

    linux-aws-6.8 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Ext4 file system; - Packet sockets; - Network traffic control; - TLS protocol…

    first Oct 8, 2025
  • Critical max 9.8
    USN-7771-1 182 CVEs 1 exploited

    linux-oem-6.14 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer…

    first Sep 24, 2025
  • Critical max 9.8
    USN-7797-1 10 CVEs

    linux, linux-kvm vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Virtio block driver; - Media drivers; - Network drivers; - Framebuffer layer;…

    first Oct 2, 2025
  • Critical max 9.8
    USN-7769-1 183 CVEs 1 exploited

    linux, linux-aws, linux-gcp, linux-gcp-6.14, linux-oracle, linux-realtime vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer…

    first Dec 3, 2025
  • High max 7.8
    USN-7754-2 3 CVEs

    linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network traffic control; (CVE-2025-38350, CVE-2025-37752, CVE-2024-57996)

    first Sep 17, 2025
  • High max 7.8
    USN-7725-1 4 CVEs

    linux, linux-aws, linux-aws-6.8, linux-gcp, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oracle, linux-oracle-6.8 vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Overlay file system; - Network traffic control; (CVE-2025-21887, CVE-2024-579…

    first Aug 28, 2025
  • High max 7.8
    USN-7755-3 10 CVEs

    linux-aws-fips vulnerabilities

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Media drivers; - SPI subsystem; - USB core drivers; - NILFS2 file system; - I…

    first Sep 24, 2025