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Ubuntu Security Notices (USN)

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

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  • Critical max 10.0
    USN-8887-3 1050 CVEs

    linux-gcp-7.0, linux-hwe-7.0, linux-oracle-7.0 vulnerabilities

    It was discovered that some AMD processors did not properly perform Reverse Map Table (RMP) checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromi…

    first Oct 9, 2026
  • Critical max 10.0
    USN-8888-2 1151 CVEs

    linux-azure-7.0, linux-azure-fde-7.0 vulnerabilities

    It was discovered that some AMD processors did not properly perform Reverse Map Table (RMP) checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromi…

    first Oct 8, 2026
  • Critical max 10.0
    USN-8726-4 551 CVEs 2 exploited

    linux-azure, linux-oracle vulnerabilities

    It was discovered that some Arm processors could complete a broadcast translation lookaside buffer (TLB) invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to me…

    first Sep 22, 2026
  • Critical max 10.0
    USN-8879-1 972 CVEs 1 exploited

    linux-oracle-5.15 vulnerabilities

    It was discovered that the i.MX clock driver in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could possibly use this to cause a denial of service (…

    first Oct 6, 2026
  • Critical max 10.0
    USN-8918-1 1049 CVEs 1 exploited

    linux-azure, linux-azure-fde, linux-azure-fips vulnerabilities

    It was discovered that some AMD processors did not properly perform Reverse Map Table (RMP) checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromi…

    first Oct 13, 2026
  • Critical max 10.0
    USN-8888-1 1151 CVEs

    linux-azure, linux-azure-fde vulnerabilities

    It was discovered that some AMD processors did not properly perform Reverse Map Table (RMP) checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromi…

    first Oct 6, 2026
  • Critical max 9.8
    USN-8962-1 756 CVEs

    linux-azure-fde vulnerabilities

    Duoming Zhou discovered race conditions in the AX.25 amateur radio protocol implementation in the Linux kernel, leading to use-after-free vulnerabilities. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-1205) Se…

    first Nov 3, 2026
  • Critical max 10.0
    USN-8728-1 1417 CVEs 2 exploited

    linux-gcp-7.0 vulnerabilities

    It was discovered that some Arm processors could complete a broadcast translation lookaside buffer (TLB) invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to me…

    first Sep 7, 2026
  • Critical max 10.0
    USN-8728-2 1417 CVEs 2 exploited

    linux-azure-7.0 vulnerabilities

    It was discovered that some Arm processors could complete a broadcast translation lookaside buffer (TLB) invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to me…

    first Sep 22, 2026
  • Critical max 9.8
    USN-9002-1 485 CVEs

    linux-nvidia-tegra vulnerabilities

    It was discovered that the io_uring subsystem in the Linux kernel did not properly handle canceled task work when processing certain wait operations, leading to the operation being performed in the wrong task context. A local attacker could possibly use this …

    first Nov 6, 2026
  • Critical max 10.0
    USN-8760-1 550 CVEs 2 exploited

    linux-nvidia-7.0 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: - User-space API (UAPI); - Kernel build system; - ARM32 architecture; - ARM64 a…

    first Sep 15, 2026
  • Critical max 10.0
    USN-8887-2 1050 CVEs

    linux-aws-7.0 vulnerabilities

    It was discovered that some AMD processors did not properly perform Reverse Map Table (RMP) checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromi…

    first Oct 8, 2026
  • Critical max 10.0
    USN-8800-1 552 CVEs 2 exploited

    linux-nvidia-bos 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: - User-space API (UAPI); - Kernel build system; - ARM32 architecture; - ARM64 a…

    first Sep 22, 2026
  • Critical max 10.0
    USN-8878-1 973 CVEs 1 exploited

    linux-gcp-5.15 vulnerabilities

    It was discovered that the i.MX clock driver in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could possibly use this to cause a denial of service (…

    first Oct 6, 2026
  • Critical max 10.0
    USN-8875-2 951 CVEs 1 exploited

    linux-nvidia vulnerabilities

    It was discovered that the i.MX clock driver in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could possibly use this to cause a denial of service (…

    first Oct 9, 2026
  • Critical max 10.0
    USN-8760-2 550 CVEs 2 exploited

    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: - User-space API (UAPI); - Kernel build system; - ARM32 architecture; - ARM64 a…

    first Sep 22, 2026
  • Critical max 10.0
    USN-8728-3 1417 CVEs 2 exploited

    linux-oracle-7.0 vulnerabilities

    It was discovered that some Arm processors could complete a broadcast translation lookaside buffer (TLB) invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to me…

    first Sep 29, 2026
  • Critical max 10.0
    USN-8889-1 1049 CVEs

    linux-oem-7.0 vulnerabilities

    It was discovered that some AMD processors did not properly perform Reverse Map Table (RMP) checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromi…

    first Oct 6, 2026
  • Critical max 10.0
    USN-8886-1 684 CVEs 1 exploited

    linux-nvidia-tegra 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: - NVDIMM (Non-Volatile Memory Device) drivers; - Handshake API; - ARM32 archite…

    first Oct 6, 2026
  • Critical max 10.0
    USN-8726-3 551 CVEs 2 exploited

    linux-ibm vulnerabilities

    It was discovered that some Arm processors could complete a broadcast translation lookaside buffer (TLB) invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to me…

    first Sep 21, 2026
  • Critical max 10.0
    USN-8727-1 547 CVEs 2 exploited

    linux-oem-7.0 vulnerabilities

    It was discovered that some Arm processors could complete a broadcast translation lookaside buffer (TLB) invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to me…

    first Sep 7, 2026
  • Critical max 10.0
    USN-8726-2 551 CVEs 2 exploited

    linux-raspi vulnerabilities

    It was discovered that some Arm processors could complete a broadcast translation lookaside buffer (TLB) invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to me…

    first Sep 18, 2026
  • Critical max 9.8
    USN-8724-1 5 CVEs

    librabbitmq vulnerabilities

    It was discovered that the rabbitmq-c command-line tools only accepted credentials on the command line, making them visible to other local users through the process list. An attacker could possibly use this to obtain sensitive credentials. This issue only aff…

    first Sep 3, 2026
  • Critical max 10.0
    USN-8877-1 952 CVEs 1 exploited

    linux-gcp, linux-gcp-fips vulnerabilities

    It was discovered that the i.MX clock driver in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could possibly use this to cause a denial of service (…

    first Oct 6, 2026
  • Critical max 9.3
    USN-9037-1 10 CVEs

    hplip vulnerabilities

    It was discovered that HPLIP did not properly handle certain data, which could result in an out-of-bounds write. An attacker could possibly use this issue to cause a denial of service, expose sensitive information or execute arbitrary code. (CVE-2026-91097) I…

    first Nov 10, 2026
  • Critical max 9.8
    USN-9032-1 9 CVEs

    linux, linux-aws, linux-aws-fips, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-azure-fips, linux-fips, linux-gcp, linux-gcp-4.15, linux-gcp-fips, 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: - GPU drivers; - Ethernet bonding driver; - Network drivers; - F2FS file system…

    first Nov 10, 2026
  • Critical max 9.1
    USN-9015-1 39 CVEs

    openjdk-21 vulnerabilities

    It was discovered that the Security component of OpenJDK 21 did not correctly authenticate users. A remote attacker could possibly use this issue to modify sensitive data. (CVE-2026-83374) It was discovered that the JSSE component of OpenJDK 21 did not correc…

    first Nov 9, 2026
  • Critical max 9.8
    USN-9031-1 8 CVEs

    linux-aws-5.4, linux-raspi, 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: - HID subsystem; - InfiniBand drivers; - Network drivers; - PCI subsystem; - SC…

    first Nov 10, 2026
  • Critical max 9.8
    USN-9018-1 379 CVEs

    linux, linux-aws, linux-gcp, linux-ibm, linux-oem-7.0, 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 file systems library; - Stream parser; - ARM64 architecture; - PowerP…

    first Nov 10, 2026
  • Critical max 9.8
    USN-9028-1 3 CVEs

    linux-azure-fde 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: - x86 architecture; - Hardware monitoring drivers; - OCFS2 file system; (CVE-20…

    first Nov 10, 2026
  • Critical max 9.8
    USN-9034-1 18 CVEs

    linux-aws 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 Nov 10, 2026
  • Critical max 9.8
    USN-9027-1 5 CVEs

    linux, linux-aws, linux-aws-5.15, linux-aws-fips, linux-azure, linux-azure-5.15, linux-azure-fde-5.15, linux-azure-fips, linux-gcp, linux-gcp-5.15, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iot-realtime, 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-oracle, linux-oracle-5.15, 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: - x86 architecture; - Hardware monitoring drivers; - OCFS2 file system; - IPv4 …

    first Nov 10, 2026
  • Critical max 9.8
    USN-9033-1 19 CVEs

    linux, linux-aws, linux-kvm, linux-lts-xenial 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 Nov 10, 2026
  • Critical max 9.1
    USN-9014-1 37 CVEs

    openjdk-17 vulnerabilities

    It was discovered that the Security component of OpenJDK 17 did not correctly authenticate users. A remote attacker could possibly use this issue to modify sensitive data. (CVE-2026-83374) It was discovered that the JSSE component of OpenJDK 17 did not correc…

    first Nov 9, 2026
  • Critical max 9.8
    USN-9038-1 6 CVEs

    gst-plugins-good1.0, gst-plugins-base1.0 vulnerabilities

    It was discovered that GStreamer Good Plugins did not properly handle certain network streams. A remote attacker could possibly use this issue to cause an application crash or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS…

    first Nov 10, 2026
  • Critical max 9.8
    USN-9035-1 8 CVEs

    linux vulnerabilities

    Pengfei Wang discovered that the Turtle Beach MultiSound audio device driver in the Linux kernel contained race conditions when fetching from the ring-buffer, leading to an out-of-bounds access. A local attacker could use this to cause a denial of service (sy…

    first Nov 10, 2026
  • Critical max 9.8
    USN-9016-1 17 CVEs

    apache2 vulnerabilities

    Zhang San, Ankit Prateek, Zhen Kong, SeungHyun Cho, Ryoma Nishioka, Keita Sode and Hyojae Lee discovered that Apache HTTP Server did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service. This i…

    first Nov 10, 2026
  • Critical max 9.8
    USN-9030-1 6 CVEs

    linux, linux-aws, linux-aws-fips, linux-azure, linux-azure-5.4, linux-azure-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-iot, 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: - HID subsystem; - InfiniBand drivers; - Network drivers; - PCI subsystem; - JF…

    first Nov 10, 2026
  • Critical max 9.1
    USN-9005-1 40 CVEs

    openjdk-27 vulnerabilities

    It was discovered that the 2D component of OpenJDK 27 did not correctly authenticate users. A remote attacker could possibly use this issue to cause a denial of service or to read or modify sensitive data. (CVE-2026-91415) It was discovered that the Networkin…

    first Nov 9, 2026
  • Critical max 9.1
    USN-9004-1 41 CVEs

    openjdk-25 vulnerabilities

    It was discovered that the 2D component of OpenJDK 25 did not correctly authenticate users. A remote attacker could possibly use this issue to cause a denial of service or to read or modify sensitive data. (CVE-2026-91415) It was discovered that the Networkin…

    first Nov 9, 2026