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Ubuntu Security Notices (USN)

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

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  • High max 8.8
    USN-7492-1 1 CVE

    linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-gke, linux-gkeop, linux-hwe-6.8, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-oem-6.8, linux-oracle, linux-oracle-6.8 vulnerability

    A security issues was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: - Bluetooth drivers; (CVE-2024-56653)

    first May 6, 2025
  • High max 8.8
    USN-7492-2 1 CVE

    linux-realtime vulnerability

    A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: - Bluetooth drivers; (CVE-2024-56653)

    first May 6, 2025
  • High max 7.8
    USN-6873-2 5 CVEs

    linux-starfive-6.5 vulnerabilities

    It was discovered that the Intel Data Streaming and Intel Analytics Accelerator drivers in the Linux kernel allowed direct access to the devices for unprivileged users and virtual machines. A local attacker could use this to cause a denial of service. (CVE-20…

    first Jul 4, 2024
  • High max 7.8
    USN-6873-1 5 CVEs

    linux-aws, linux-aws-6.5, linux-oem-6.5, linux-oracle, linux-oracle-6.5, linux-starfive vulnerabilities

    It was discovered that the Intel Data Streaming and Intel Analytics Accelerator drivers in the Linux kernel allowed direct access to the devices for unprivileged users and virtual machines. A local attacker could use this to cause a denial of service. (CVE-20…

    first Jul 4, 2024
  • High max 7.1
    USN-7498-1 1 CVE

    linux vulnerability

    A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: - JFS file system; (CVE-2024-56598)

    first May 7, 2025
  • High max 7.8
    USN-6863-1 1 CVE

    linux, linux-ibm, linux-lowlatency, linux-nvidia, linux-raspi vulnerability

    A security issue was discovered in the Linux kernel. An attacker could possibly use it to compromise the system. This update corrects flaws in the following subsystem: - Netfilter; (CVE-2024-26924)

    first Jul 4, 2024
  • High max 7.8
    USN-6864-2 2 CVEs

    linux-aws, linux-oem-6.8 vulnerabilities

    It was discovered that the Intel Data Streaming and Intel Analytics Accelerator drivers in the Linux kernel allowed direct access to the devices for unprivileged users and virtual machines. A local attacker could use this to cause a denial of service. (CVE-20…

    first Jul 4, 2024
  • High max 7.8
    USN-6870-1 3 CVEs

    linux-aws, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-gke, linux-gkeop, linux-gkeop-5.15, linux-ibm, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-oracle, linux-oracle-5.15 vulnerabilities

    It was discovered that the Intel Data Streaming and Intel Analytics Accelerator drivers in the Linux kernel allowed direct access to the devices for unprivileged users and virtual machines. A local attacker could use this to cause a denial of service. (CVE-20…

    first Jul 4, 2024
  • High max 7.8
    USN-6872-1 4 CVEs

    linux, linux-gcp, linux-gcp-6.5, linux-laptop, linux-nvidia-6.5, linux-raspi 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 subsystem: - Netfilter; (CVE-2024-26809, CVE-2024-26643, CVE-2024-26925, CVE-2024-26924)

    first Jul 4, 2024
  • High max 7.8
    USN-6870-2 3 CVEs

    linux-aws-5.15 vulnerabilities

    It was discovered that the Intel Data Streaming and Intel Analytics Accelerator drivers in the Linux kernel allowed direct access to the devices for unprivileged users and virtual machines. A local attacker could use this to cause a denial of service. (CVE-20…

    first Jul 4, 2024
  • High max 7.8
    USN-6869-1 2 CVEs

    linux, linux-gcp, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, 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 subsystem: - Netfilter; (CVE-2024-26924, CVE-2024-26643)

    first Jul 4, 2024
  • High max 7.8
    USN-6707-4 4 CVEs 1 exploited

    linux-azure-6.5 vulnerabilities

    Lonial Con discovered that the netfilter subsystem in the Linux kernel did not properly handle element deactivation in certain cases, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or pos…

    first Mar 28, 2024
  • High max 7.8
    USN-6707-3 4 CVEs 1 exploited

    linux-aws, linux-aws-6.5 vulnerabilities

    Lonial Con discovered that the netfilter subsystem in the Linux kernel did not properly handle element deactivation in certain cases, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or pos…

    first Mar 25, 2024
  • High max 7.8
    USN-6707-1 4 CVEs 1 exploited

    linux, linux-azure, linux-gcp, linux-gcp-6.5, linux-hwe-6.5, linux-lowlatency, linux-lowlatency-hwe-6.5, linux-oem-6.5, linux-oracle, linux-oracle-6.5, linux-raspi, linux-starfive, linux-starfive-6.5 vulnerabilities

    Lonial Con discovered that the netfilter subsystem in the Linux kernel did not properly handle element deactivation in certain cases, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or pos…

    first Mar 20, 2024
  • High max 7.8
    USN-6872-2 4 CVEs

    linux-lowlatency, 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 subsystem: - Netfilter; (CVE-2024-26809, CVE-2024-26643, CVE-2024-26925, CVE-2024-26924)

    first Jul 4, 2024
  • High max 7.5
    USN-8614-1 2 CVEs

    python2.7, python3.5 vulnerabilities

    It was discovered that Python incorrectly handled expanding environment variables in os.path.expandvars() when the input was user-controlled. An attacker could possibly use this issue to cause Python to consume resources, leading to a denial of service. (CVE-…

    first Jul 27, 2026
  • High max 7.3
    USN-8612-1 1 CVE

    roc-toolkit vulnerability

    It was discovered that Roc Toolkit incorrectly handled WAV files with a malformed "smpl" chunk. An attacker could use this issue to cause Roc Toolkit to crash, resulting in a denial of service, or possibly execute arbitrary code.

  • High max 7.4
    USN-8602-1 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.

    first Jul 23, 2026
  • High max 7.5
    USN-8369-2 1 CVE

    libapache-mod-jk regression

    USN-8369-1 fixed a vulnerability in mod_jk. It was discovered that for Ubuntu 18.04 LTS, during the update preparation phase, a previous fix for CVE-2023-41081 was incorrectly dropped. This update reintroduces the fix for CVE-2023-41081. We apologize for the …

  • High max 7.3
    USN-8322-2 2 CVEs

    commons-beanutils regression

    USN-8322-1 fixed a vulnerability in Apache Commons BeanUtils. It was discovered that for Ubuntu 18.04 LTS, during the update preparation phase, a previous fix for CVE-2014-0114 and CVE-2019-10086 was incorrectly dropped. This update reintroduces the fix for C…

  • High max 7.5
    USN-8587-1 1 CVE

    libhtml-parser-perl vulnerability

    It was discovered that HTML-Parser incorrectly handled entity references when the input string was identical to an entity value in the lookup table. An attacker could possibly use this issue to obtain sensitive information.

  • High max 7.6
    USN-8584-1 1 CVE

    gst-plugins-good1.0 vulnerabilities

    It was discovered that GStreamer Good Plugins incorrectly handled certain Matroska files. An attacker could possibly use this issue to cause GStreamer Good Plugins to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubunt…

  • High max 8.2
    USN-8583-1 2 CVEs

    giflib vulnerabilities

    It was discovered that GIFLIB incorrectly handled certain GIF image files. If a user or automated system were tricked into opening a specially crafted GIF file, a remote attacker could use this issue to cause GIFLIB to crash, resulting in a denial of service,…

  • High max 8.4
    USN-8579-1 3 CVEs

    snapd vulnerabilities

    James Henstridge discovered that snapd's default apparmor template did not restrict access to systemd-userdbd varlink interface. A local attacker could possibly use this issue to obtain sensitive information. (CVE-2024-5300) Qualys discovered that snap-confin…

  • High max 8.5
    USN-8560-1 4 CVEs

    libxfont vulnerabilities

    It was discovered that libXfont incorrectly handled scaling bitmap fonts, leading to a heap buffer overflow. An attacker able to access the X server could use this issue to cause libXfont to crash, resulting in a denial of service, or possibly execute arbitra…

    first Jul 20, 2026
  • High max 8.4
    USN-8541-1 3 CVEs

    vim vulnerabilities

    Hirohito Higashi discovered that Vim incorrectly escaped class or trait names when performing PHP omni-completion. An attacker could possibly use this issue to trick a user into opening a specially crafted PHP file and executing arbitrary commands. This issue…

    first Jul 14, 2026
  • High max 8.2
    USN-8539-1 5 CVEs

    gnutls28 vulnerabilities

    Haruto Kimura discovered that GnuTLS did not properly apply permitted name constraints in certain certificate validation paths. A remote attacker could possibly use this issue to bypass certificate validation, leading to a machine-in-the-middle attack. (CVE-2…

  • High max 7.5
    USN-8537-1 1 CVE

    python-httplib2 vulnerability

    It was discovered that httplib2 performed unbounded decompression of HTTP response bodies when the server used gzip or deflate Content-Encoding. A remote attacker could possibly use this issue to cause httplib2 to use excessive resources, leading to a denial …

  • High max 7.7
    USN-8533-1 8 CVEs

    openssh vulnerabilities

    It was discovered that OpenSSH sftp did not properly constrain the location of downloaded files when connecting to an attacker-controlled server. An attacker could possibly use this issue to write files to unintended locations on the file system. (CVE-2026-59…

  • High max 7.8
    USN-8496-3 1 CVE

    cifs-utils vulnerability

    USN-8496-1 fixed vulnerabilities in cifs-utils. The update caused a regression and was backed out in USN-8496-2. This update reintroduces the security fix, along with a fix for the regression. Original advisory details: It was discovered that cifs-utils incor…

  • High max 7.0
    USN-8532-1 2 CVEs

    libssh2 vulnerabilities

    It was discovered that libssh2 incorrectly handled certain publickey subsystem attributes. A remote attacker controlling a malicious SSH server could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2026-58050) It was disco…

  • High max 7.4
    USN-8531-1 3 CVEs

    libexif vulnerabilities

    It was discovered that libexif had an integer overflow in its MakerNote decoder when called with a zero-length buffer. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-32775) It was discovered t…

  • High max 8.6
    USN-7668-1 4 CVEs

    openjdk-21 vulnerabilities

    It was discovered that the 2D component of OpenJDK 21 did not properly manage memory under certain circumstances. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2025-30749, CVE-2025-50106) Mashroor Hasan…

    first Jul 24, 2025
  • High max 7.5
    USN-8517-1 7 CVEs

    clamav vulnerabilities

    It was discovered that ClamAV incorrectly handled certain PE files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2026-20213, CVE-2026-20214, CVE-2026-20217) It was discovered that ClamAV inco…

  • High max 7.3
    USN-8503-1 1 CVE

    ncurses vulnerability

    It was discovered that ncurses incorrectly handled certain terminfo entries in the infocmp tool. An attacker could possibly use this issue to cause a denial of service via a crafted terminfo file. The default compiler options for affected releases should redu…

    first Jul 2, 2026
  • High max 7.5
    USN-8515-1 1 CVE

    ruby-addressable vulnerability

    It was discovered that Addressable incorrectly handled certain URI templates, generating regular expressions vulnerable to catastrophic backtracking. An attacker could use this issue to craft a URI that, when matched against a vulnerable template, causes exce…

  • High max 8.1
    USN-8504-1 11 CVEs

    sogo vulnerabilities

    It was discovered that SOGo did not properly sanitize categories used for events, tasks, and contacts. A remote authenticated attacker could possibly use this issue to perform cross-site scripting attacks. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.…

    first Jul 5, 2026
  • High max 8.2
    USN-8502-1 10 CVEs

    gnutls28 vulnerabilities

    It was discovered that GnuTLS had a timing side-channel when processing malformed ciphertexts in RSA-PSK ClientKeyExchange. A remote attacker could possibly use this issue to recover sensitive information. This issue only affected Ubuntu 18.04 LTS. (CVE-2024-…

  • High max 7.5
    USN-8514-1 1 CVE

    openssh vulnerability

    It was discovered that OpenSSH incorrectly handled file permissions when downloading files as root using the legacy scp protocol without the preserve-mode option. An attacker could use this to install setuid or setgid files on a system, possibly leading to pr…

  • High max 8.4
    USN-8500-1 8 CVEs

    vim vulnerabilities

    It was discovered that Vim incorrectly handled path traversal in the zip.vim plugin. An attacker could possibly use this issue to overwrite arbitrary files. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and U…