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Ubuntu Security Notices (USN)

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

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  • High max 8.2
    USN-8752-1 1 CVE

    konsole vulnerability

    It was discovered that Konsole incorrectly handled certain URLs under specific circumstances. A remote attacker could possibly use this issue to execute arbitrary code.

  • High max 7.4
    USN-8753-1 1 CVE

    libinput vulnerability

    It was discovered that libinput did not properly escape device properties. A local attacker could possibly use this issue to inject arbitrary udev properties and execute arbitrary code as root.

  • High max 8.1
    USN-8751-1 1 CVE

    urwid vulnerabilities

    Katriel Moses discovered that Urwid used a weak PRNG. A local attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

  • High max 8.8
    USN-8750-1 7 CVEs

    ffmpeg vulnerabilities

    Seung Min Shin discovered that FFmpeg did not correctly handle certain memory operations. If a user or automated system were tricked into opening a specially crafted file, an attacker could cause a denial of service. (CVE-2026-12706) Xinghang Lv discovered th…

  • High max 8.7
    USN-8749-1 2 CVEs

    civetweb vulnerabilities

    It was discovered that CivetWeb did not correctly handle parsing certain URIs. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2025-55…

  • High max 7.5
    USN-5624-1 11 CVEs

    linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-kvm, linux-lowlatency vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 21, 2022
  • High max 7.5
    USN-5630-1 6 CVEs

    linux-raspi-5.4 vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 22, 2022
  • High max 7.5
    USN-5621-1 2 CVEs

    linux, linux-aws, linux-aws-hwe, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, lnux-hwe, inux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 21, 2022
  • High max 7.5
    USN-5660-1 6 CVEs

    linux-gcp-5.4 vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Oct 6, 2022
  • High max 7.5
    USN-5654-1 6 CVEs

    linux-gke vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Oct 4, 2022
  • High max 7.5
    USN-5644-1 11 CVEs

    linux-gcp-5.15 vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 27, 2022
  • High max 7.5
    USN-5640-1 11 CVEs

    linux-oracle vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 26, 2022
  • High max 7.5
    USN-5635-1 11 CVEs

    linux-gkeop vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 23, 2022
  • High max 7.5
    USN-5634-1 1 CVE

    linux-oem-5.17 vulnerability

    Domingo Dirutigliano and Nicola Guerrera discovered that the netfilter subsystem in the Linux kernel did not properly handle rules that truncated packets below the packet header size. When such rules are in place, a remote attacker could possibly use this to …

    first Sep 22, 2022
  • High max 7.5
    USN-5655-1 11 CVEs

    linux-intel-iotg vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Oct 4, 2022
  • High max 8.7
    USN-8573-1 12 CVEs

    libde265 vulnerabilities

    It was discovered that libde265 did not properly manage memory under certain circumstances. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2023-51792) It …

    first Jul 20, 2026
  • High max 7.5
    USN-5515-1 10 CVEs

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

    Eric Biederman discovered that the cgroup process migration implementation in the Linux kernel did not perform permission checks correctly in some situations. A local attacker could possibly use this to gain administrative privileges. (CVE-2021-4197) Jann Hor…

    first Jul 13, 2022
  • High max 7.5
    USN-5652-1 2 CVEs

    linux-azure vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Oct 3, 2022
  • High max 7.5
    USN-5648-1 11 CVEs

    linux-gke-5.15 vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 30, 2022
  • High max 7.5
    USN-5647-1 6 CVEs

    linux-gcp vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 28, 2022
  • High max 7.5
    USN-5633-1 11 CVEs

    linux-gcp, linux-gke, linux-raspi vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 22, 2022
  • High max 7.5
    USN-5590-1 1 CVE

    linux-oem-5.14 vulnerability

    Domingo Dirutigliano and Nicola Guerrera discovered that the netfilter subsystem in the Linux kernel did not properly handle rules that truncated packets below the packet header size. When such rules are in place, a remote attacker could possibly use this to …

    first Aug 30, 2022
  • High max 7.5
    USN-5580-1 4 CVEs

    linux-aws vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Aug 24, 2022
  • High max 7.5
    USN-5541-1 11 CVEs

    linux-azure vulnerabilities

    Eric Biederman discovered that the cgroup process migration implementation in the Linux kernel did not perform permission checks correctly in some situations. A local attacker could possibly use this to gain administrative privileges. (CVE-2021-4197) Jann Hor…

    first Jul 28, 2022
  • High max 7.5
    USN-5539-1 7 CVEs

    linux-bluefield, linux-gcp-5.4, linux-gke-5.4 vulnerabilities

    It was discovered that the implementation of the 6pack and mkiss protocols in the Linux kernel did not handle detach events properly in some situations, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of s…

    first Jul 28, 2022
  • High max 7.8
    USN-5294-1 8 CVEs 1 exploited

    linux vulnerabilities

    It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-22600) Szymo…

    first Feb 18, 2022
  • High max 7.8
    USN-5278-1 21 CVEs 1 exploited

    linux-oem-5.14 vulnerabilities

    It was discovered that the rlimit tracking for user namespaces in the Linux kernel did not properly perform reference counting, leading to a use-after- free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitr…

    first Feb 9, 2022
  • High max 7.5
    USN-5622-1 6 CVEs

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

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 21, 2022
  • High max 7.5
    USN-5514-1 6 CVEs

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-azure-fde, linux-gcp, linux-gke, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities

    It was discovered that the implementation of the 6pack and mkiss protocols in the Linux kernel did not handle detach events properly in some situations, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of s…

    first Jul 13, 2022
  • High max 7.8
    USN-5338-1 13 CVEs 1 exploited

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-azure-fde, linux-gcp, linux-gcp-5.4, linux-gke, lnux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities

    Yiqi Sun and Kevin Wang discovered that the cgroups implementation in the Linux kernel did not properly restrict access to the cgroups v1 release_agent feature. A local attacker could use this to gain administrative privileges. (CVE-2022-0492) Jürgen Groß dis…

    first Mar 22, 2022
  • High max 7.8
    USN-5298-1 12 CVEs 1 exploited

    linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-hwe, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

    It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-22600) Jürge…

    first Feb 22, 2022
  • High max 7.5
    USN-5623-1 21 CVEs

    linux-hwe-5.15, linux-lowlatency-hwe-5.15 vulnerabilities

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) It was discover…

    first Sep 21, 2022
  • High max 7.8
    USN-5294-2 8 CVEs 1 exploited

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

    It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-22600) Szymo…

    first Feb 22, 2022
  • High max 7.5
    USN-5469-1 20 CVEs

    linux, linux-aws, linux-azure, linux-gcp, linux-gke, linux-ibm, linux-intel-iotg, linux-kvm, linux-lowlatency, linux-oracle, linux-raspi vulnerabilities

    It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. (CVE-2022-21499) Aaron Adams discovered that…

    first Jun 8, 2022
  • High max 7.8
    USN-5295-2 5 CVEs 1 exploited

    linux, linux-aws, linux-aws-5.13, linux-azure, linux-gcp, linux-kvm, linux-oracle, linux-oracle-5.13, linux-raspi vulnerabilities

    It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-22600) Jann …

    first Feb 22, 2022
  • High max 7.8
    USN-5295-1 5 CVEs 1 exploited

    linux-hwe-5.13 vulnerabilities

    It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-22600) Jann …

    first Feb 18, 2022
  • High max 8.6
    USN-5377-1 15 CVEs 1 exploited

    linux-bluefield vulnerabilities

    It was discovered that the network traffic control implementation 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-2022-1055) Yiq…

    first Apr 13, 2022
  • High max 7.8
    USN-5297-1 7 CVEs

    linux-gke, linux-gke-5.4 vulnerabilities

    Szymon Heidrich discovered that the USB Gadget subsystem in the Linux kernel did not properly restrict the size of control requests for certain gadget types, leading to possible out of bounds reads or writes. A local attacker could use this to cause a denial …

    first Feb 22, 2022
  • High max 8.7
    USN-5120-1 9 CVEs

    linux-azure-5.8 vulnerabilities

    It was discovered that the f2fs file system in the Linux kernel did not properly validate metadata in some situations. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service (system c…

    first Oct 21, 2021
  • High max 8.8
    USN-8745-1 2 CVEs

    kissfft vulnerabilities

    It was discovered that KissFFT incorrectly handled certain large Fourier transform sizes on 32-bit architectures. An attacker could possibly use this issue to cause KissFFT to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2025-34297…