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Ubuntu Security Notices (USN)

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

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  • Critical max 10.0
    USN-9025-1 3498 CVEs 2 exploited

    linux-oracle-6.8, linux-raspi, linux-raspi-realtime 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 Nov 10, 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 10.0
    USN-9020-1 3268 CVEs

    linux-aws-7.0, linux-azure-fde, linux-azure-fde-7.0, linux-gcp-7.0, linux-gke, linux-oracle-7.0, linux-realtime vulnerabilities

    It was discovered that the io_uring subsystem in the Linux kernel contained a memory leak when handling certain asynchronous commands. A local attacker could possibly use this to cause a denial of service (memory exhaustion). (CVE-2026-80811) It was discovere…

    first Nov 10, 2026
  • Critical max 10.0
    USN-9019-1 3273 CVEs

    linux-azure vulnerabilities

    It was discovered that the io_uring subsystem in the Linux kernel contained a memory leak when handling certain asynchronous commands. A local attacker could possibly use this to cause a denial of service (memory exhaustion). (CVE-2026-80811) It was discovere…

    first Nov 10, 2026
  • Critical max 10.0
    USN-9022-1 2236 CVEs

    linux, linux-aws, linux-azure, linux-azure-fips, linux-gcp, linux-gke, linux-ibm, linux-lowlatency, linux-oracle, linux-vmware 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: - USB Gadget drivers; - Memory management; - Network file systems library; - Ne…

    first Nov 10, 2026
  • Critical max 10.0
    USN-9029-1 2020 CVEs 1 exploited

    linux-raspi 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) It…

    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 10.0
    USN-9023-1 2235 CVEs

    linux-aws-fips, linux-gcp-fips, linux-gkeop, 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: - USB Gadget drivers; - Memory management; - Network file systems library; - Ne…

    first Nov 10, 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 10.0
    USN-9026-1 3275 CVEs 1 exploited

    linux-azure-6.8, linux-azure-fde-6.8 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 Nov 10, 2026
  • Critical max 10.0
    USN-9024-1 3276 CVEs 1 exploited

    linux-aws-6.8, linux-gcp-6.8, linux-ibm-6.8, linux-lowlatency-hwe-6.8, linux-nvidia, linux-realtime-6.8 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 Nov 10, 2026
  • Critical max 10.0
    USN-9021-1 4311 CVEs

    linux-raspi 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 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
  • Critical max 9.8
    LSN-0122-1 150 CVEs 2 exploited

    Kernel Live Patch Security Notice

    In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix use after free in midcomms commit While working on processing dlm message in softirq context I experienced the following KASAN use-after-free warning: . In the Linux kernel, the …

    first Oct 7, 2026
  • Critical max 9.1
    USN-9009-1 37 CVEs

    openjdk-8 vulnerabilities

    It was discovered that the Security component of OpenJDK 8 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 8 did not correctl…

    first Nov 9, 2026
  • Critical max 9.1
    USN-9010-1 39 CVEs

    openjdk-lts vulnerabilities

    It was discovered that the Security component of OpenJDK 11 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 11 did not correc…

    first Nov 9, 2026
  • Critical max 10.0
    USN-8875-1 951 CVEs 1 exploited

    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-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-oracle, linux-realtime, linux-xilinx-zynqmp 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 9.8
    USN-8961-1 1068 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-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-oracle, linux-oracle-5.15, linux-realtime 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-8917-1 1050 CVEs 1 exploited

    linux, linux-aws, linux-aws-fips, linux-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-ibm, linux-lowlatency, linux-oracle, linux-realtime 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-8887-1 1050 CVEs

    linux, linux-aws, linux-gcp, linux-gke, linux-ibm, linux-oracle, linux-realtime 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-8959-1 2894 CVEs

    linux, linux-aws, linux-gcp, linux-hwe-7.0, linux-ibm, 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: - USB Gadget drivers; - Memory management; - Multiple devices driver; - ARM64 a…

    first Nov 3, 2026
  • Critical max 10.0
    USN-8963-1 2016 CVEs 1 exploited

    linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-nvidia-tegra-igx 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) It…

    first Nov 3, 2026
  • Critical max 10.0
    USN-8726-1 551 CVEs 2 exploited

    linux, linux-aws, linux-aws-7.0, linux-gcp, linux-gke, linux-hwe-7.0, linux-realtime 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-8575-1 758 CVEs

    linux, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-realtime, linux-xilinx-zynqmp vulnerabilities

    Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations, leading to an out-of-bounds read. An attacker could use this to construct a malicious NTFS image that, when…

    first Jul 21, 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-8575-2 758 CVEs

    linux-aws, linux-aws-5.15, linux-aws-fips, linux-fips, linux-ibm, linux-nvidia vulnerabilities

    Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations, leading to an out-of-bounds read. An attacker could use this to construct a malicious NTFS image that, when…

    first Jul 23, 2026
  • Critical max 10.0
    USN-9003-1 1150 CVEs

    linux-nvidia-7.0, linux-nvidia-bos 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 Nov 6, 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