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Ubuntu Security Notices (USN)

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

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  • Critical max 9.2
    USN-8933-1 12 CVEs

    rabbitmq-server vulnerabilities

    It was discovered that RabbitMQ Server incorrectly handled CORS wildcard origin configuration. An attacker could possibly use this issue to cause a cross-site request forgery attack. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LT…

    first Oct 15, 2026
  • Critical max 9.1
    USN-8932-1 9 CVEs

    curl vulnerabilities

    Stanislav Fort discovered that curl did not properly clear AWS SigV4 authentication state when CURLOPT_AWS_SIGV4 was set to NULL. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 22.04 LTS and Ubuntu 2…

    first Oct 14, 2026
  • Critical max 9.1
    USN-8927-2 18 CVEs

    curl vulnerabilities

    USN-8927-1 fixed vulnerabilities in curl. This update provides the corresponding fixes for Ubuntu 26.10. Original advisory details: It was discovered that curl, when built with GnuTLS support, had an out-of-bounds read in the WebSocket send path. An attacker …

    first Oct 19, 2026
  • Critical max 9.1
    USN-8927-1 18 CVEs

    curl vulnerabilities

    It was discovered that curl, when built with GnuTLS support, had an out-of-bounds read in the WebSocket send path. An attacker could possibly use this issue to obtain sensitive information. (CVE-2026-107928) Maksim discovered that curl did not correctly inclu…

    first Oct 14, 2026
  • Critical max 9.8
    USN-8034-2 115 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux (UML); - x8…

    first Feb 17, 2026
  • Critical max 10.0
    USN-7585-6 32 CVEs

    linux-bluefield vulnerabilities

    It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. (CVE-2025-2312) Several security issues were…

    first Jul 3, 2025
  • Critical max 10.0
    USN-7585-2 32 CVEs

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

    It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. (CVE-2025-2312) Several security issues were…

    first Jun 19, 2025
  • Critical max 10.0
    USN-7593-1 194 CVEs

    linux-hwe-5.15 vulnerabilities

    Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker could use this to connect a rougue device and possibly execute arbitrary code. (CVE-2024-8805) It was disc…

    first Jun 24, 2025
  • Critical max 10.0
    USN-7585-3 32 CVEs

    linux-azure-fips, linux-fips vulnerabilities

    It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. (CVE-2025-2312) Several security issues were…

    first Jun 25, 2025
  • Critical max 9.8
    USN-8033-1 114 CVEs

    linux, linux-aws, linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-lowlatency, linux-lowlatency-hwe-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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux (UML); - x8…

    first Feb 12, 2026
  • Critical max 9.8
    USN-8034-1 115 CVEs

    linux-nvidia-tegra, linux-nvidia-tegra-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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux (UML); - x8…

    first Feb 12, 2026
  • Critical max 9.8
    USN-8033-8 114 CVEs

    linux-intel-iotg 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux (UML); - x8…

    first Feb 19, 2026
  • Critical max 9.8
    USN-8033-4 114 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux (UML); - x8…

    first Feb 13, 2026
  • Critical max 9.8
    USN-8033-3 114 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux (UML); - x8…

    first Feb 12, 2026
  • Critical max 9.8
    USN-8033-7 114 CVEs

    linux-intel-iotg-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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux (UML); - x8…

    first Feb 19, 2026
  • Critical max 10.0
    USN-7585-1 32 CVEs

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-gcp, linux-gcp-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp vulnerabilities

    It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. (CVE-2025-2312) Several security issues were…

    first Jun 19, 2025
  • Critical max 10.0
    USN-7598-1 69 CVEs

    linux-azure-5.15 vulnerabilities

    Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker could use this to connect a rougue device and possibly execute arbitrary code. (CVE-2024-8805) Several sec…

    first Jun 24, 2025
  • Critical max 10.0
    USN-7640-1 124 CVEs

    linux-iot vulnerabilities

    It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. (CVE-2025-2312) Several security issues were…

    first Jul 16, 2025
  • Critical max 10.0
    USN-7585-7 32 CVEs

    linux-raspi, linux-raspi-5.4 vulnerabilities

    It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. (CVE-2025-2312) Several security issues were…

    first Jul 16, 2025
  • Critical max 10.0
    USN-7592-1 70 CVEs

    linux-aws-5.15, linux-gcp-5.15, linux-ibm-5.15, linux-lowlatency-hwe-5.15, linux-oracle-5.15 vulnerabilities

    Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker could use this to connect a rougue device and possibly execute arbitrary code. (CVE-2024-8805) It was disc…

    first Jun 24, 2025
  • Critical max 10.0
    USN-7585-5 32 CVEs

    linux-hwe-5.4 vulnerabilities

    It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. (CVE-2025-2312) Several security issues were…

    first Jun 30, 2025
  • Critical max 10.0
    USN-7585-4 32 CVEs

    linux-azure-5.4 vulnerabilities

    It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. (CVE-2025-2312) Several security issues were…

    first Jun 25, 2025
  • Critical max 9.8
    USN-8033-5 114 CVEs

    linux-gcp-5.15, linux-kvm, linux-oracle, 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux (UML); - x8…

    first Feb 17, 2026
  • Critical max 9.8
    USN-7450-1 460 CVEs 2 exploited

    linux-gcp, linux-gke, linux-gkeop 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; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Apr 23, 2025
  • Critical max 9.8
    USN-7468-1 739 CVEs 4 exploited

    linux-azure-nvidia vulnerabilities

    Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker could use this to connect a rougue device and possibly execute arbitrary code. (CVE-2024-8805) Attila Szás…

    first Apr 28, 2025
  • Critical max 10.0
    USN-7602-1 196 CVEs

    linux-xilinx-zynqmp vulnerabilities

    Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker could use this to connect a rougue device and possibly execute arbitrary code. (CVE-2024-8805) It was disc…

    first Jun 26, 2025
  • Critical max 9.8
    USN-7453-1 461 CVEs 2 exploited

    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; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Apr 23, 2025
  • Critical max 9.8
    USN-8033-2 114 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux (UML); - x8…

    first Feb 12, 2026
  • Critical max 10.0
    USN-7655-1 218 CVEs

    linux-intel-iotg-5.15 vulnerabilities

    Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker could use this to connect a rougue device and possibly execute arbitrary code. (CVE-2024-8805) It was disc…

    first Jul 18, 2025
  • Critical max 9.8
    USN-7451-1 577 CVEs 3 exploited

    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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Apr 23, 2025
  • Critical max 10.0
    USN-7524-1 705 CVEs 3 exploited

    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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first May 26, 2025
  • Critical max 10.0
    USN-7523-1 704 CVEs 3 exploited

    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; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first May 20, 2025
  • Critical max 9.8
    USN-7310-1 730 CVEs 4 exploited

    linux-oem-6.11 vulnerabilities

    Attila Szász discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker could use a specially crafted file system image that, when mounted, could cause a denial of service (system crash) or pos…

    first Feb 28, 2025
  • Critical max 9.8
    USN-7452-1 460 CVEs 2 exploited

    linux-gcp-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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Apr 23, 2025
  • Critical max 9.8
    USN-7449-2 461 CVEs 2 exploited

    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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Apr 24, 2025
  • Critical max 9.8
    USN-6819-4 149 CVEs

    linux-oracle-6.5 vulnerabilities

    Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference vulnerability. A remote attacker could use this to cause a denial of service (system crash). (CVE-2023-6356…

    first Jun 26, 2024
  • Critical max 9.8
    USN-6818-3 150 CVEs

    linux-nvidia-6.5 vulnerabilities

    Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference vulnerability. A remote attacker could use this to cause a denial of service (system crash). (CVE-2023-6356…

    first Jun 14, 2024
  • Critical max 9.8
    USN-8033-6 114 CVEs

    linux-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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux (UML); - x8…

    first Feb 17, 2026
  • Critical max 9.8
    USN-6819-3 149 CVEs

    linux-oem-6.5 vulnerabilities

    Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference vulnerability. A remote attacker could use this to cause a denial of service (system crash). (CVE-2023-6356…

    first Jun 12, 2024
  • Critical max 9.8
    USN-6818-1 150 CVEs

    linux, linux-gcp, linux-gcp-6.5, linux-lowlatency, linux-lowlatency-hwe-6.5, linux-raspi vulnerabilities

    Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference vulnerability. A remote attacker could use this to cause a denial of service (system crash). (CVE-2023-6356…

    first Jun 7, 2024