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Ubuntu Security Notices (USN)

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

8,409 results · Feed

  • High max 7.9
    USN-5915-1 12 CVEs 1 exploited

    linux-oem-6.1 vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 3, 2023
  • High max 7.8
    USN-5883-1 19 CVEs

    linux-hwe vulnerabilities

    Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-4378) It was discovered that an o…

    first Feb 22, 2023
  • High max 8.0
    USN-5879-1 9 CVEs

    linux-hwe-5.19 vulnerabilities

    Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-4378) Tamás Koczka discovered tha…

    first Feb 16, 2023
  • High max 8.1
    USN-5877-1 28 CVEs

    linux-gke-5.15 vulnerabilities

    Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-4378) Tamás Koczka discovered tha…

    first Feb 15, 2023
  • Medium max 6.7
    USN-5854-1 11 CVEs

    linux, linux-aws, linux-gcp-4.15, linux-kvm, linux-oracle, linux-raspi2 vulnerabilities

    It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 (V4L2) implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-2…

    first Feb 9, 2023
  • High max 7.8
    USN-5853-1 7 CVEs

    linux, linux-aws, linux-azure, linux-azure-5.4, linux-gkeop, linux-kvm, linux-oracle, linux-raspi, linux-raspi-5.4 vulnerabilities

    It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel did not properly perform bounds checking in some situations. A physically proximate attacker could use this to craft a malicious USB device that when inserted, could cause a denia…

    first Feb 9, 2023
  • Medium max 5.5
    USN-5757-1 9 CVEs

    linux, linux-aws, linux-dell300x, linux-gcp-4.15, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

    Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service (system crash) or possi…

    first Dec 1, 2022
  • High max 8.0
    USN-5914-1 9 CVEs

    linux-oem-6.0 vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 3, 2023
  • High max 7.8
    USN-5884-1 6 CVEs

    linux-aws vulnerabilities

    Kirill Tkhai discovered that the XFS file system implementation in the Linux kernel did not calculate size correctly when pre-allocating space in some situations. A local attacker could use this to expose sensitive information. (CVE-2021-4155) Lee Jones disco…

    first Feb 23, 2023
  • Medium max 6.7
    USN-5862-1 11 CVEs

    linux-snapdragon vulnerabilities

    It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 (V4L2) implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-2…

    first Feb 9, 2023
  • High max 8.1
    USN-5860-1 14 CVEs

    linux-gke vulnerabilities

    Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-4378) Tamás Koczka discovered tha…

    first Feb 9, 2023
  • High max 7.8
    USN-5859-1 4 CVEs

    linux-oem-5.14 vulnerabilities

    Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN headers in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-0179)…

    first Feb 9, 2023
  • High max 7.5
    USN-5789-1 10 CVEs

    linux-oem-5.14 vulnerabilities

    It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2…

    first Jan 5, 2023
  • High max 8.0
    USN-5780-1 5 CVEs

    linux-oem-6.0 vulnerabilities

    It was discovered that a memory leak existed in the IPv6 implementation of the Linux kernel. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2022-3524) It was discovered that the Bluetooth HCI implementation in the Linux…

    first Dec 14, 2022
  • Medium max 5.5
    USN-5756-2 8 CVEs

    linux-gke vulnerabilities

    Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service (system crash) or possi…

    first Dec 2, 2022
  • Medium max 5.5
    USN-5729-2 8 CVEs

    linux-gcp-5.15, linux-gke-5.15, linux-intel-iotg, linux-raspi vulnerabilities

    It was discovered that a race condition existed in the instruction emulator of the Linux kernel on Arm 64-bit systems. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-20422) Hsin-Wei Hung discovered that the BPF subsyste…

    first Nov 18, 2022
  • Medium max 6.7
    USN-5758-1 13 CVEs

    linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

    Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service (system crash) or possi…

    first Dec 1, 2022
  • High max 7.8
    USN-5792-2 13 CVEs

    linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde vulnerabilities

    Mingwei Zhang discovered that the KVM implementation for AMD processors in the Linux kernel did not properly handle cache coherency with Secure Encrypted Virtualization (SEV). A local attacker could possibly use this to cause a denial of service (host system …

    first Jan 9, 2023
  • High max 8.8
    USN-5728-1 11 CVEs

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi vulnerabilities

    Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service (system crash) or possi…

    first Nov 17, 2022
  • Medium max 5.5
    USN-5729-1 8 CVEs

    linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle, linux-oracle-5.15 vulnerabilities

    It was discovered that a race condition existed in the instruction emulator of the Linux kernel on Arm 64-bit systems. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-20422) Hsin-Wei Hung discovered that the BPF subsyste…

    first Nov 17, 2022
  • High max 8.8
    USN-5728-3 11 CVEs

    linux-gcp-5.4 vulnerabilities

    Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service (system crash) or possi…

    first Nov 29, 2022
  • High max 8.8
    USN-5728-2 11 CVEs

    linux-azure-fde, linux-gke, linux-gkeop, linux-raspi-5.4 vulnerabilities

    Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service (system crash) or possi…

    first Nov 18, 2022
  • High max 7.4
    USN-8954-1 1 CVE

    zlib vulnerability

    Ali Firas discovered that zlib incorrectly handled certain non-blocking write operations. An attacker could possibly use this issue to trigger a heap buffer overflow, resulting in a denial of service or arbitrary code execution.

    first Oct 22, 2026
  • High max 7.6
    USN-8953-1 1 CVE

    openvpn vulnerability

    It was discovered that OpenVPN incorrectly handled certificate subject fields. A remote authenticated user could possibly use this issue to impersonate other users.

  • High max 7.8
    USN-8949-1 2 CVEs

    ghostscript vulnerabilities

    Rick de Jager discovered that Ghostscript incorrectly handled memory under certain circumstances when processing PostScript documents. If a user or automated system were tricked into processing a specially crafted document, an attacker could possibly use this…

    first Oct 21, 2026
  • High max 8.8
    USN-6767-1 48 CVEs

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4, linux-xilinx-zynqmp vulnerabilities

    Chenyuan Yang discovered that the RDS Protocol implementation in the Linux kernel contained an out-of-bounds read vulnerability. An attacker could use this to possibly cause a denial of service (system crash). (CVE-2024-23849) Several security issues were dis…

    first May 7, 2024
  • High max 8.8
    USN-6777-1 17 CVEs

    linux, linux-aws, linux-azure-4.15, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities

    Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service …

    first May 16, 2024
  • High max 8.8
    USN-6776-1 4 CVEs

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4, linux-xilinx-zynqmp vulnerabilities

    Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service …

    first May 16, 2024
  • High max 7.8
    USN-6741-1 5 CVEs

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4, linux-xilinx-zynqmp vulnerabilities

    Daniele Antonioli discovered that the Secure Simple Pairing and Secure Connections pairing in the Bluetooth protocol could allow an unauthenticated user to complete authentication without pairing credentials. A physically proximate attacker placed between two…

    first Apr 19, 2024
  • Unscored
    USN-6971-1 2 CVEs

    linux vulnerabilities

    It was discovered that the Option USB High Speed Mobile device driver in the Linux kernel did not properly handle error conditions. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. …

    first Aug 21, 2024
  • High max 8.8
    USN-6775-1 3 CVEs

    linux, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-gcp, linux-gcp-5.15, linux-gkeop, linux-gkeop-5.15, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, linux-raspi vulnerabilities

    Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service …

    first May 16, 2024
  • High max 7.8
    USN-6743-1 5 CVEs

    linux, linux-aws, linux-aws-6.5, linux-azure, linux-gcp, linux-gcp-6.5, linux-hwe-6.5, linux-laptop, linux-lowlatency, linux-nvidia-6.5, linux-oem-6.5, linux-oracle, linux-oracle-6.5, linux-raspi, linux-starfive, linux-starfive-6.5 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: - JFS file system; - BPF subsystem; - Netfilter; (CVE-2023-52600, CVE-2024-2658…

    first Apr 19, 2024
  • High max 7.8
    USN-6609-1 6 CVEs

    linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-gkeop-5.15, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-kvm, linux-lowlatency-hwe-5.15, linux-raspi vulnerabilities

    Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-202…

    first Jan 26, 2024
  • High max 7.8
    USN-6605-1 4 CVEs

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4, linux-xilinx-zynqmp vulnerabilities

    Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-202…

    first Jan 25, 2024
  • High max 7.8
    USN-6604-1 6 CVEs

    linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities

    It was discovered that the ASUS HID driver in the Linux kernel did not properly handle device removal, leading to a use-after-free vulnerability. A local attacker with physical access could plug in a specially crafted USB device to cause a denial of service (…

    first Jan 25, 2024
  • High max 7.8
    USN-6743-2 5 CVEs

    linux-lowlatency-hwe-6.5 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: - JFS file system; - BPF subsystem; - Netfilter; (CVE-2023-52600, CVE-2024-2658…

    first Apr 22, 2024
  • Medium max 5.5
    USN-6647-1 3 CVEs

    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

    It was discovered that a race condition existed in the ATM (Asynchronous Transfer Mode) subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute a…

    first Feb 21, 2024
  • Medium max 5.5
    USN-6647-2 3 CVEs

    linux-azure vulnerabilities

    It was discovered that a race condition existed in the ATM (Asynchronous Transfer Mode) subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute a…

    first Feb 29, 2024
  • High max 7.8
    USN-6608-1 5 CVEs

    linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-hwe-6.5, linux-laptop, linux-lowlatency, linux-lowlatency-hwe-6.5, linux-oem-6.5, linux-oracle, linux-raspi, linux-starfive vulnerabilities

    It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CI…

    first Jan 25, 2024
  • High max 7.8
    USN-6602-1 5 CVEs

    linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

    Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive informati…

    first Jan 25, 2024