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Ubuntu Security Notices (USN)

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

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  • Critical max 9.8
    USN-7392-1 154 CVEs 2 exploited

    linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-ibm, linux-kvm, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp 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 Mar 28, 2025
  • Critical max 9.8
    USN-7294-1 144 CVEs 2 exploited

    linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-ibm-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: - ARM64 architecture; - Block layer subsystem; - ACPI drivers; - Drivers core; …

    first Feb 26, 2025
  • Critical max 9.2
    USN-8956-2 1 CVE 1 exploited

    brotli vulnerability

    USN-8956-1 fixed a vulnerability in Brotli. This update provides the corresponding fixes for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that Brotli incorrectly handled certain compressed streams. A r…

    first Oct 27, 2026
  • Critical max 9.2
    USN-8956-1 1 CVE 1 exploited

    brotli vulnerability

    It was discovered that Brotli incorrectly handled certain compressed streams. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

    first Oct 26, 2026
  • Critical max 9.8
    USN-7387-2 251 CVEs 2 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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Mar 28, 2025
  • Critical max 9.8
    USN-7458-1 358 CVEs 4 exploited

    linux-ibm-5.15 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 Apr 24, 2025
  • Critical max 9.8
    USN-7387-3 251 CVEs 2 exploited

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

    first Mar 28, 2025
  • Critical max 9.8
    USN-7289-2 103 CVEs 2 exploited

    linux-azure-5.15, linux-azure-fde-5.15, 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: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - ACPI drive…

    first Feb 25, 2025
  • Critical max 9.8
    USN-7293-1 145 CVEs 2 exploited

    linux, linux-hwe-5.4 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 26, 2025
  • Critical max 9.8
    USN-7289-1 103 CVEs 2 exploited

    linux-azure, linux-azure-fde, linux-gkeop, linux-nvidia, 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: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - ACPI drive…

    first Feb 24, 2025
  • Critical max 9.8
    USN-7289-3 103 CVEs 2 exploited

    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; - x86 architecture; - Block layer subsystem; - ACPI drive…

    first Feb 25, 2025
  • Critical max 9.8
    USN-7332-1 36 CVEs 1 exploited

    linux, 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: - PowerPC architecture; - Block layer subsystem; - GPIO subsystem; - GPU driver…

    first Mar 5, 2025
  • Critical max 9.1
    USN-7428-1 20 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

    Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a gu…

    first Apr 9, 2025
  • Critical max 9.8
    USN-7392-2 154 CVEs 2 exploited

    linux-azure-fips, linux-gcp-fips 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 Mar 28, 2025
  • Critical max 9.8
    USN-7391-1 153 CVEs 2 exploited

    linux, linux-hwe-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) Several security…

    first Mar 28, 2025
  • Critical max 9.8
    USN-7421-1 256 CVEs 2 exploited

    linux-azure-5.15, linux-azure-fde-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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Apr 7, 2025
  • Critical max 9.8
    USN-7388-1 356 CVEs 4 exploited

    linux-aws-5.15, linux-kvm 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 Mar 27, 2025
  • Critical max 9.8
    USN-7389-1 357 CVEs 4 exploited

    linux-nvidia-tegra, linux-nvidia-tegra-igx 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 Mar 28, 2025
  • Critical max 9.8
    USN-7294-2 144 CVEs 2 exploited

    linux-aws, linux-oracle, 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: - ARM64 architecture; - Block layer subsystem; - ACPI drivers; - Drivers core; …

    first Feb 27, 2025
  • Critical max 9.8
    USN-7386-1 317 CVEs 1 exploited

    linux-oem-6.8 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 Mar 27, 2025
  • Critical max 9.8
    USN-7291-1 103 CVEs 2 exploited

    linux-gcp, linux-gcp-5.15, 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: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - ACPI drive…

    first Feb 26, 2025
  • Critical max 9.8
    USN-7413-1 316 CVEs 4 exploited

    linux-iot vulnerabilities

    Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. (CVE-2022-3809…

    first Apr 3, 2025
  • Critical max 9.8
    USN-7390-1 356 CVEs 4 exploited

    linux-xilinx-zynqmp 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 Mar 28, 2025
  • Critical max 9.8
    USN-7407-1 255 CVEs 2 exploited

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

    first Apr 2, 2025
  • Critical max 9.8
    USN-7463-1 167 CVEs 2 exploited

    linux-ibm-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 Apr 24, 2025
  • Critical max 9.8
    USN-7393-1 295 CVEs 4 exploited

    linux-fips 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 Mar 28, 2025
  • Critical max 9.8
    USN-7401-1 295 CVEs 4 exploited

    linux-aws-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 Apr 1, 2025
  • Critical max 9.8
    USN-7403-1 325 CVEs 2 exploited

    linux-hwe-6.8 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 1, 2025
  • Critical max 9.8
    USN-7392-3 154 CVEs 2 exploited

    linux-aws 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 Apr 1, 2025
  • Critical max 9.8
    USN-7392-4 154 CVEs 2 exploited

    linux-aws-fips 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 Apr 1, 2025
  • Critical max 10.0
    USN-7344-1 39 CVEs 1 exploited

    linux-aws, linux-aws-hwe, linux-gcp, linux-gcp-4.15, linux-kvm, linux-oracle 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 Mar 11, 2025
  • Critical max 9.8
    USN-7288-1 104 CVEs 2 exploited

    linux, linux-lowlatency 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 24, 2025
  • Critical max 9.8
    USN-7289-4 103 CVEs 2 exploited

    linux-intel-iotg, linux-intel-iotg-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: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - ACPI drive…

    first Feb 27, 2025
  • Critical max 9.1
    USN-7428-2 20 CVEs 1 exploited

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

    Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a gu…

    first Apr 9, 2025
  • Critical max 9.8
    USN-7385-1 317 CVEs 1 exploited

    linux-ibm 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 Mar 27, 2025
  • Critical max 9.8
    USN-7331-1 105 CVEs 2 exploited

    linux-hwe-5.15 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 Mar 5, 2025
  • Critical max 9.8
    USN-7308-1 106 CVEs 2 exploited

    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: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - ACPI drive…

    first Feb 27, 2025
  • Critical max 9.8
    USN-7295-1 149 CVEs 2 exploited

    linux-xilinx-zynqmp vulnerabilities

    Ye Zhang and Nicolas Wu discovered that the io_uring subsystem in the Linux kernel did not properly handle locking for rings with IOPOLL, leading to a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or po…

    first Feb 26, 2025
  • Critical max 9.8
    USN-7294-4 144 CVEs 2 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; - Block layer subsystem; - ACPI drivers; - Drivers core; …

    first Mar 3, 2025
  • Critical max 9.8
    USN-7294-3 144 CVEs 2 exploited

    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; - Block layer subsystem; - ACPI drivers; - Drivers core; …

    first Feb 28, 2025