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Ubuntu Security Notices (USN)

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

2,446 results · Clear filters · Feed

  • High max 8.8
    USN-7701-1 7 CVEs

    linux, linux-aws, linux-aws-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-raspi, linux-raspi-5.4, 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: - Device tree and open firmware driver; - SCSI subsystem; - TTY drivers; - SMB …

    first Aug 19, 2025
  • High max 7.8
    USN-7726-5 4 CVEs

    linux-azure, linux-azure-5.15, 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: - NTFS3 file system; - Network traffic control; (CVE-2024-27407, CVE-2024-57996…

    first Sep 18, 2025
  • High max 7.8
    USN-7726-4 4 CVEs

    linux-gke, linux-ibm-5.15, 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: - NTFS3 file system; - Network traffic control; (CVE-2024-27407, CVE-2024-57996…

    first Sep 2, 2025
  • High max 8.8
    USN-7701-2 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: - Device tree and open firmware driver; - SCSI subsystem; - TTY drivers; - SMB …

    first Aug 20, 2025
  • High max 8.8
    USN-7701-3 7 CVEs

    linux-iot 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: - Device tree and open firmware driver; - SCSI subsystem; - TTY drivers; - SMB …

    first Aug 21, 2025
  • High max 7.8
    USN-7791-4 4 CVEs

    linux-oracle, 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: - Packet sockets; - Network traffic control; - VMware vSockets driver; - XFRM s…

    first Oct 14, 2025
  • High max 7.8
    USN-7792-1 6 CVEs

    linux, linux-aws, linux-gcp, linux-gcp-6.8, linux-gke, linux-gkeop, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency 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
  • High max 7.8
    USN-7683-1 2 CVEs

    linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-nvidia-tegra-igx, linux-oracle, linux-oracle-5.15, 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: - TTY drivers; - Network traffic control; (CVE-2025-38083, CVE-2024-50073)

    first Jul 31, 2025
  • High max 7.8
    USN-7722-1 1 CVE

    linux, linux-aws, linux-aws-6.14, linux-gcp, linux-hwe-6.14, linux-raspi, linux-realtime, linux-realtime-6.14 vulnerability

    A security issues was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystem: - Network traffic control; (CVE-2025-38350)

    first Aug 28, 2025
  • High max 7.8
    USN-7683-3 2 CVEs

    linux-intel-iot-realtime, 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: - TTY drivers; - Network traffic control; (CVE-2024-50073, CVE-2025-38083)

    first Jul 31, 2025
  • High max 7.8
    USN-7793-4 3 CVEs

    linux-intel-iot-realtime, 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; (CVE-202…

    first Oct 2, 2025
  • High max 7.8
    USN-7793-2 3 CVEs

    linux-oracle-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: - Packet sockets; - Network traffic control; - VMware vSockets driver; (CVE-202…

    first Oct 2, 2025
  • High max 7.8
    USN-7792-2 6 CVEs

    linux-raspi 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
  • High max 7.8
    USN-7683-2 2 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: - TTY drivers; - Network traffic control; (CVE-2025-38083, CVE-2024-50073)

    first Jul 31, 2025
  • High max 7.8
    USN-7682-4 2 CVEs

    linux-lowlatency, linux-lowlatency-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: - Network traffic control; (CVE-2025-38083, CVE-2025-37797)

    first Aug 1, 2025
  • High max 7.8
    USN-7682-2 2 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: - Network traffic control; (CVE-2025-38083, CVE-2025-37797)

    first Jul 31, 2025
  • High max 7.8
    USN-7682-5 2 CVEs

    linux-gcp-6.8, linux-raspi 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-2025-38083, CVE-2025-37797)

    first Aug 12, 2025
  • High max 7.8
    USN-7793-3 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: - Packet sockets; - Network traffic control; - VMware vSockets driver; (CVE-202…

    first Oct 2, 2025
  • High max 7.8
    USN-7682-1 2 CVEs

    linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gke, linux-gkeop, linux-hwe-6.8, linux-ibm, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-oem-6.8, 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: - Network traffic control; (CVE-2025-37797, CVE-2025-38083)

    first Jul 30, 2025
  • High max 7.8
    USN-7682-6 2 CVEs

    linux-ibm-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 traffic control; (CVE-2025-38083, CVE-2025-37797)

    first Aug 20, 2025
  • High max 7.8
    USN-7681-1 1 CVE

    linux, linux-aws, linux-aws-6.14, linux-gcp, linux-gcp-6.14, linux-hwe-6.14, linux-oem-6.14, linux-raspi, linux-realtime vulnerability

    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-2025-38083)

    first Jul 30, 2025
  • High max 8.8
    USN-7654-3 139 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: - PA-RISC architecture; - PowerPC architecture; - x86 architecture; - Block lay…

    first Jul 18, 2025
  • High max 7.8
    USN-7682-3 2 CVEs

    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: - Network traffic control; (CVE-2025-37797, CVE-2025-38083)

    first Jul 31, 2025
  • High max 7.8
    USN-7681-3 1 CVE

    linux-oracle-6.14 vulnerability

    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-2025-38083)

    first Aug 12, 2025
  • High max 7.8
    USN-7627-1 12 CVEs 1 exploited

    linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, 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: - PowerPC architecture; - Block layer subsystem; - ACPI drivers; - NILFS2 file …

    first Jul 8, 2025
  • High max 8.8
    USN-7654-4 139 CVEs

    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: - PA-RISC architecture; - PowerPC architecture; - x86 architecture; - Block lay…

    first Jul 22, 2025
  • High max 8.8
    USN-7654-2 139 CVEs

    linux-intel-iot-realtime, 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: - PA-RISC architecture; - PowerPC architecture; - x86 architecture; - Block lay…

    first Jul 18, 2025
  • High max 8.1
    USN-6416-1 13 CVEs

    linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-gkeop-5.15, linux-ibm, linux-ibm-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle vulnerabilities

    It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service (excessive CPU consumption). (CVE-2023-1206) Daniel Trujillo,…

    first Oct 4, 2023
  • High max 8.8
    USN-7618-1 6 CVEs

    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: - Bluetooth drivers; - Netfilter; - Network traffic control; (CVE-2025-37890, C…

    first Jul 4, 2025
  • High max 7.8
    USN-7627-2 12 CVEs 1 exploited

    linux-fips, linux-aws-fips, linux-azure-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: - PowerPC architecture; - Block layer subsystem; - ACPI drivers; - NILFS2 file …

    first Jul 8, 2025
  • High max 8.8
    USN-7654-5 139 CVEs

    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: - PA-RISC architecture; - PowerPC architecture; - x86 architecture; - Block lay…

    first Jul 29, 2025
  • High max 7.8
    USN-7610-2 6 CVEs

    linux-lowlatency, linux-oem-6.11 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: - Netfilter; - Network traffic control; (CVE-2025-38001, CVE-2025-37997, CVE-20…

    first Jul 8, 2025
  • High max 8.1
    USN-6445-1 24 CVEs

    linux-intel-iotg vulnerabilities

    It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service (excessive CPU consumption). (CVE-2023-1206) Daniel Trujillo,…

    first Oct 19, 2023
  • High max 8.1
    USN-6416-2 13 CVEs

    linux-hwe-5.15, linux-oracle-5.15 vulnerabilities

    It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service (excessive CPU consumption). (CVE-2023-1206) Daniël Trujillo,…

    first Oct 6, 2023
  • High max 7.8
    USN-7607-1 10 CVEs 1 exploited

    linux, linux-aws, linux-lts-xenial vulnerabilities

    It was discovered that a use-after-free vulnerability existed in the Bluetooth stack in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-3640) Several security issues w…

    first Jul 1, 2025
  • High max 7.8
    USN-7607-2 10 CVEs 1 exploited

    linux-fips vulnerabilities

    It was discovered that a use-after-free vulnerability existed in the Bluetooth stack in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-3640) Several security issues w…

    first Jul 1, 2025
  • High max 7.8
    USN-7610-3 6 CVEs

    linux-lowlatency-hwe-6.11 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: - Netfilter; - Network traffic control; (CVE-2025-38001, CVE-2025-37997, CVE-20…

    first Jul 15, 2025
  • High max 8.1
    USN-6445-2 24 CVEs

    linux-intel-iotg-5.15 vulnerabilities

    It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service (excessive CPU consumption). (CVE-2023-1206) Daniel Trujillo,…

    first Oct 24, 2023
  • High max 8.1
    USN-6416-3 13 CVEs

    linux-raspi vulnerabilities

    It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service (excessive CPU consumption). (CVE-2023-1206) Daniel Trujillo,…

    first Oct 19, 2023
  • High max 7.8
    USN-7607-3 10 CVEs 1 exploited

    linux-kvm vulnerabilities

    It was discovered that a use-after-free vulnerability existed in the Bluetooth stack in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-3640) Several security issues w…

    first Jul 8, 2025