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Ubuntu Security Notices (USN)

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

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  • Critical max 9.8
    USN-7608-3 9 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: - GPU drivers; - SMB network file system; - Memory management; - Netfilter; - N…

    first Jul 1, 2025
  • Critical max 9.8
    USN-7608-5 9 CVEs

    linux-ibm-5.15, linux-intel-iotg, linux-nvidia-tegra, linux-nvidia-tegra-5.15, 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: - GPU drivers; - SMB network file system; - Memory management; - Netfilter; - N…

    first Jul 8, 2025
  • Critical max 9.8
    USN-7671-1 11 CVEs

    linux, linux-aws, linux-aws-5.4, linux-aws-fips, linux-bluefield, linux-fips, linux-gcp, linux-gcp-5.4, linux-gcp-fips, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-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: - ACPI drivers; - GPU drivers; - SMB network file system; - Memory management; …

    first Jul 25, 2025
  • Critical max 10.0
    USN-7606-1 177 CVEs

    linux-oem-6.11 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-7591-6 67 CVEs

    linux-raspi 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 17, 2025
  • Critical max 9.8
    USN-6466-1 40 CVEs

    linux-nvidia-6.2 vulnerabilities

    Hyunwoo Kim discovered that the DVB Core driver in the Linux kernel contained a race condition during device removal, leading to a use-after- free vulnerability. A physically proximate attacker could use this to cause a denial of service (system crash) or pos…

    first Oct 31, 2023
  • Critical max 9.8
    USN-7609-3 7 CVEs

    linux-ibm 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: - InfiniBand drivers; - Netfilter; - Network traffic control; (CVE-2025-38001, …

    first Jul 4, 2025
  • Critical max 9.8
    USN-7608-4 9 CVEs

    linux-aws-5.15, linux-intel-iot-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: - GPU drivers; - SMB network file system; - Memory management; - Netfilter; - N…

    first Jul 3, 2025
  • Critical max 10.0
    USN-7597-2 66 CVEs

    linux-azure-fips 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 9.8
    USN-7609-5 7 CVEs

    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: - InfiniBand drivers; - Netfilter; - Network traffic control; (CVE-2025-38001, …

    first Jul 17, 2025
  • Critical max 9.8
    USN-7609-4 7 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: - InfiniBand drivers; - Netfilter; - Network traffic control; (CVE-2025-38001, …

    first Jul 8, 2025
  • Critical max 9.8
    USN-7609-2 7 CVEs

    linux-realtime, 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: - InfiniBand drivers; - Netfilter; - Network traffic control; (CVE-2025-38001, …

    first Jul 1, 2025
  • Critical max 10.0
    USN-7591-4 67 CVEs

    linux-aws 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-7591-3 67 CVEs

    linux-intel-iot-realtime, linux-realtime 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 9.1
    USN-6520-1 16 CVEs

    linux-starfive-6.2 vulnerabilities

    Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrar…

    first Nov 28, 2023
  • Critical max 9.2
    USN-8958-1 3 CVEs 1 exploited

    dotnet8, dotnet10, dotnet11 vulnerabilities

    It was discovered that the .NET Blazor WebAssembly debug proxy did not properly escape certain values. An attacker could possibly use this issue to execute arbitrary code. The fix for this CVE was originally released via USN-8942-1, but it was found to be inc…

    first Oct 29, 2026
  • Critical max 9.8
    USN-7764-1 103 CVEs

    linux, linux-aws, linux-gcp, linux-gke, linux-gkeop, 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: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Accel…

    first Sep 24, 2025
  • Critical max 9.8
    USN-7703-2 70 CVEs

    linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-gkeop, linux-ibm, 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer…

    first Aug 20, 2025
  • Critical max 9.8
    USN-7703-4 70 CVEs

    linux-gke, linux-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, 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; - PowerPC architecture; - x86 architecture; - Block layer…

    first Aug 28, 2025
  • Critical max 9.8
    USN-7703-1 70 CVEs

    linux, linux-aws, linux-lowlatency, linux-lowlatency-hwe-6.8, 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 Aug 19, 2025
  • Critical max 9.8
    USN-7765-1 102 CVEs

    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: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Accel…

    first Sep 24, 2025
  • Critical max 9.8
    USN-7766-1 101 CVEs

    linux-aws-6.8, 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: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Accel…

    first Sep 24, 2025
  • Critical max 9.8
    USN-7767-2 101 CVEs

    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: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Accel…

    first Sep 25, 2025
  • Critical max 9.8
    USN-7790-1 100 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: - ARM64 architecture; - x86 architecture; - Compute Acceleration Framework; - B…

    first Oct 1, 2025
  • Critical max 9.8
    USN-7779-1 107 CVEs

    linux-ibm, 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: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Accel…

    first Sep 25, 2025
  • Critical max 9.8
    USN-7767-1 101 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: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Accel…

    first Sep 24, 2025
  • Critical max 9.8
    USN-7703-3 70 CVEs

    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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer…

    first Aug 21, 2025
  • Critical max 9.8
    USN-7651-3 117 CVEs

    linux-aws-6.8, linux-gke, linux-gkeop, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, 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: - PowerPC architecture; - S390 architecture; - Block layer subsystem; - Serial …

    first Jul 22, 2025
  • Critical max 9.8
    USN-7651-2 117 CVEs

    linux-ibm, linux-ibm-6.8, 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: - PowerPC architecture; - S390 architecture; - Block layer subsystem; - Serial …

    first Jul 18, 2025
  • Critical max 9.8
    USN-7595-1 33 CVEs

    linux, linux-aws, linux-aws-6.8, linux-gke, linux-gkeop, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-oem-6.8 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 24, 2025
  • Critical max 9.8
    USN-7539-1 401 CVEs 4 exploited

    linux-raspi vulnerabilities

    Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2024-23848) Attila Szász dis…

    first May 28, 2025
  • Critical max 9.8
    USN-7651-4 117 CVEs

    linux-gcp, 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: - PowerPC architecture; - S390 architecture; - Block layer subsystem; - Serial …

    first Jul 22, 2025
  • Critical max 9.8
    USN-7651-6 117 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: - PowerPC architecture; - S390 architecture; - Block layer subsystem; - Serial …

    first Jul 24, 2025
  • Critical max 9.8
    USN-7652-1 117 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: - PowerPC architecture; - S390 architecture; - Block layer subsystem; - Serial …

    first Jul 17, 2025
  • Critical max 9.8
    USN-7651-5 117 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: - PowerPC architecture; - S390 architecture; - Block layer subsystem; - Serial …

    first Jul 24, 2025
  • Critical max 9.8
    USN-7521-1 228 CVEs

    linux, linux-azure, linux-azure-6.11, linux-gcp, linux-gcp-6.11, linux-hwe-6.11, linux-oem-6.11, linux-raspi, 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 May 20, 2025
  • Critical max 9.8
    USN-7540-1 398 CVEs 4 exploited

    linux-raspi-5.4 vulnerabilities

    Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2024-23848) Attila Szász dis…

    first May 28, 2025
  • Critical max 9.8
    USN-7595-4 33 CVEs

    linux-oracle, linux-oracle-6.8, linux-raspi 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 26, 2025
  • Critical max 9.8
    USN-7516-6 90 CVEs

    linux-ibm 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; - Block layer subsystem; - Driver…

    first May 26, 2025
  • Critical max 10.0
    USN-7522-1 136 CVEs

    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: - RISC-V architecture; - x86 architecture; - Block layer subsystem; - Compute A…

    first May 20, 2025