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Ubuntu Security Notices (USN)

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

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  • High max 7.8
    USN-5339-1 6 CVEs 1 exploited

    linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-hwe, linux-gcp, linux-gcp-4.15, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon 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) It was discover…

    first Mar 22, 2022
  • Medium max 5.3
    USN-5562-1 11 CVEs 1 exploited

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gke, linux-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

    Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service (system cr…

    first Aug 10, 2022
  • High max 7.8
    USN-5302-1 6 CVEs 1 exploited

    linux-oem-5.14 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) Brendan Dolan-G…

    first Feb 22, 2022
  • Medium max 6.4
    USN-5361-1 14 CVEs 1 exploited

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

    It was discovered that the VFIO PCI driver in the Linux kernel did not properly handle attempts to access disabled memory spaces. A local attacker could use this to cause a denial of service (system crash). (CVE-2020-12888) Mathy Vanhoef discovered that the L…

    first Apr 1, 2022
  • High max 7.8
    USN-4186-1 13 CVEs 1 exploited

    linux, linux-aws, linux-kvm vulnerabilities

    Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchro…

    first Nov 13, 2019
  • High max 8.0
    USN-4094-1 32 CVEs 1 exploited

    linux, linux-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

    It was discovered that the alarmtimer implementation in the Linux kernel contained an integer overflow vulnerability. A local attacker could use this to cause a denial of service. (CVE-2018-13053) Wen Xu discovered that the XFS filesystem implementation in th…

    first Aug 13, 2019
  • High max 8.0
    USN-4093-1 7 CVEs 1 exploited

    linux, linux-hwe, linux-azure, linux-gcp, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

    It was discovered that a heap buffer overflow existed in the Marvell Wireless LAN device driver for the Linux kernel. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-10126) Andrei Vlad Lutas…

    first Aug 13, 2019
  • High max 8.0
    USN-4118-1 61 CVEs 1 exploited

    linux-aws vulnerabilities

    It was discovered that the alarmtimer implementation in the Linux kernel contained an integer overflow vulnerability. A local attacker could use this to cause a denial of service. (CVE-2018-13053) Wen Xu discovered that the XFS filesystem implementation in th…

    first Sep 2, 2019
  • High max 8.0
    USN-4095-1 8 CVEs 1 exploited

    linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

    Eli Biham and Lior Neumann discovered that the Bluetooth implementation in the Linux kernel did not properly validate elliptic curve parameters during Diffie-Hellman key exchange in some situations. An attacker could use this to expose sensitive information. …

    first Aug 13, 2019
  • Critical max 9.8
    LSN-0121-1 34 CVEs 1 exploited

    Kernel Live Patch Security Notice

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: ipc: fix use-after-free in ipc_msg_send_request ipc_msg_send_request() waits for a generic netlink reply using an ipc_msg_table_entry on the stack. In the Linux kernel, the following v…

    first Aug 27, 2026
  • Critical max 10.0
    USN-7009-2 219 CVEs 1 exploited

    linux-azure-fde-5.15 vulnerabilities

    Chenyuan Yang discovered that the CEC driver driver 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-2024-23848) Chenyuan Yang di…

    first Sep 25, 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
  • Critical max 9.8
    LSN-120-1 3 CVEs 1 exploited

    Kernel Live Patch Security Notice

    In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Tear down vGIC on failed vCPU creation If kvm_arch_vcpu_create() fails to share the vCPU page with the hypervisor, we propagate the error back to the ioctl but leave the vGIC vCPU…

    first Jun 1, 2026
  • High max 7.2
    USN-8482-1 1 CVE 1 exploited

    roundcube vulnerability

    It was discovered that Roundcube Webmail was prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document. An attacker could use this issue to execute arbitrary web script in the context of an affected user's session.

  • Critical max 9.8
    USN-6936-1 1 CVE 1 exploited

    libcommons-collections3-java vulnerability

    It was discovered that Apache Commons Collections allowed serialization support for unsafe classes by default. A remote attacker could possibly use this issue to execute arbitrary code.

    first Jul 31, 2024
  • Critical max 9.8
    USN-6849-1 2 CVEs 2 exploited

    salt vulnerabilities

    It was discovered that Salt incorrectly validated method calls and sanitized paths. A remote attacker could possibly use this issue to access some methods without authentication. (CVE-2020-11651, CVE-2020-11652)

    first Jun 25, 2024
  • High max 7.8
    USN-6781-1 1 CVE 1 exploited

    libspreadsheet-parseexcel-perl vulnerability

    Le Dinh Hai discovered that Spreadsheet::ParseExcel was passing unvalidated input from a file into a string-type "eval". An attacker could craft a malicious file to achieve arbitrary code execution.

    first May 21, 2024
  • High max 8.5
    USN-5946-1 15 CVEs 1 exploited

    libxstream-java vulnerabilities

    Lai Han discovered that XStream incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affect…

    first Mar 13, 2023
  • Medium max 5.3
    USN-5557-1 2 CVEs 1 exploited

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

    Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service (system cr…

    first Aug 9, 2022
  • High max 7.8
    USN-5343-1 45 CVEs 1 exploited

    linux, linux-aws, linux-kvm, linux-lts-xenial 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) It was discover…

    first Mar 22, 2022
  • High max 7.8
    USN-5252-2 1 CVE 1 exploited

    policykit-1 vulnerability

    USN-5252-1 fixed a vulnerability in policykit-1. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that the PolicyKit pkexec tool incorrectly handled command-line arguments. A…

    first Jan 25, 2022
  • Critical max 9.0
    USN-5090-2 3 CVEs 1 exploited

    apache2 vulnerabilities

    USN-5090-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that the Apache HTTP Server incorrectly handled certain malformed request…

    first Sep 27, 2021
  • High max 8.3
    USN-5039-1 1 CVE 1 exploited

    linux, linux-aws, linux-kvm, linux-lts-xenial vulnerability

    Andy Nguyen discovered that the netfilter subsystem in the Linux kernel contained an out-of-bounds write in its setsockopt() implementation. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

    first Aug 12, 2021
  • Critical max 9.8
    USN-4919-1 1 CVE 1 exploited

    openslp-dfsg vulnerability

    It was discovered that OpenSLP did not properly validate URLs. A remote attacker could use this issue to cause OpenSLP to crash or possibly execute arbitrary code.

    first Apr 19, 2021
  • Critical max 9.8
    USN-4875-1 3 CVEs 1 exploited

    opensmtpd vulnerabilities

    It was discovered that OpenSMTPD incorrectly verified the sender's or receiver's e-mail addresses under certain conditions. An attacker could possibly use this vulnerability to execute arbitrary commands as root. (CVE-2020-7247) It was discovered that OpenSMT…

    first Mar 15, 2021
  • High max 8.8
    USN-6981-2 3 CVEs 2 exploited

    drupal7 vulnerabilities

    USN-6981-1 fixed vulnerabilities in Drupal. This update provides the corresponding updates for Ubuntu 14.04 LTS. Original advisory details: It was discovered that Drupal incorrectly sanitized uploaded filenames. A remote attacker could possibly use this issue…

    first Sep 3, 2024
  • Medium max 6.9
    USN-7658-1 2 CVEs 1 exploited

    drupal7 vulnerabilities

    It was discovered that Drupal incorrectly parsed untrusted HTML. A remote attacker could possibly use this issue to execute arbitrary code.

    first Jul 21, 2025
  • High max 7.5
    USN-7646-1 1 CVE 1 exploited

    rails vulnerability

    It was discovered that Rails did not correctly handle headers. An attacker could potentially use this issue to view arbitrary files on a target server. (CVE-2019-5418)

    first Jul 17, 2025
  • High max 8.6
    USN-7626-1 6 CVEs 1 exploited

    git vulnerabilities

    Avi Halachmi discovered that Git incorrectly managed file modification constraints with Gitk. An attacker could possibly use this issue to create or write to arbitrary files on the system. (CVE-2025-27613) Avi Halachmi discovered that Git incorrectly handled …

    first Jul 8, 2025
  • Medium max 6.9
    USN-7622-1 4 CVEs 1 exploited

    jquery vulnerabilities

    It was discovered that jQuery did not correctly handle HTML tags. An attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 14.04 LTS. (CVE-2012-6708) It was discovered that jQuery did not correc…

    first Jul 8, 2025
  • Critical max 9.9
    USN-7584-1 1 CVE 1 exploited

    roundcube vulnerability

    It was discovered that Roundcube Webmail did not properly sanitize the _from parameter in a URL, leading to PHP Object Deserialization. A remote attacker could possibly use this issue to execute arbitrary code.

    first Jun 19, 2025
  • Critical max 10.0
    USN-7443-3 1 CVE 1 exploited

    erlang vulnerability

    USN-7443-1 fixed a vulnerability in Erlang. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Fabian Bäumer, Marcel Maehren, Marcus Brinkmann, and Jörg Schwenk discovered that Erlang OTP’s SSH …

    first Jul 17, 2025
  • High max 8.1
    USN-7352-2 2 CVEs 1 exploited

    freetype vulnerabilities

    USN-7352-1 fixed a vulnerability in FreeType. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. This update also fixes an additional vulnerability in Ubuntu 14.04 LTS. Original advisory details: It was discovered that F…

    first Mar 17, 2025
  • High max 7.2
    USN-7283-1 1 CVE 1 exploited

    lucene-solr vulnerability

    It was discovered that the Apache Solr DataImportHandler module incorrectly handled certain request parameters in a default configuration. A remote attacker could possibly use this issue to execute arbitrary code.

    first Feb 21, 2025
  • High max 8.1
    USN-7282-1 2 CVEs 1 exploited

    tomcat7 vulnerabilities

    It was discovered that Tomcat incorrectly handled being configured with HTTP PUTs enabled. A remote attacker could use this issue to upload a JSP file to the server and execute arbitrary code.

    first Feb 21, 2025
  • High max 7.8
    USN-7200-1 1 CVE 1 exploited

    roundcube vulnerability

    It was discovered that Roundcube incorrectly handled certain file-based attachment plugins. An attacker could exploit this to gain unauthorized access to arbitrary files on the host’s file system.

    first Jan 13, 2025
  • Critical max 9.8
    USN-7171-1 1 CVE 1 exploited

    phpunit vulnerability

    It was discovered that PHPUnit incorrectly handled web requests if exposed to the internet. An attacker could possibly use this issue to achive remote code execution or obtain sensitive information.

    first Dec 18, 2024
  • Critical max 9.8
    USN-7139-1 1 CVE 1 exploited

    shiro vulnerability

    It was discovered that Apache Shiro used a static cipher within the "Remember Me" feature inside authentication by default. An attacker could possibly use this issue to achieve remote code execution or obtain sensitive information.

    first Dec 5, 2024