Skip to content
OpenAdvisories

Source

Ubuntu Security Notices (USN)

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

2,440 results · Clear filters · Feed

  • High max 8.8
    USN-8903-2 232 CVEs 1 exploited

    linux-gke, linux-gkeop, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, 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: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - x86 architec…

    first Oct 9, 2026
  • High max 8.8
    USN-8903-1 232 CVEs 1 exploited

    linux, linux-aws, linux-aws-6.8, linux-aws-fips, linux-fips, linux-realtime, linux-realtime-6.8 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: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - x86 architec…

    first Oct 8, 2026
  • High max 8.8
    USN-8623-1 2 CVEs

    linux-nvidia-6.17 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: - ARM64 architecture; - Arm Firmware Framework for ARMv8-A(FFA); (CVE-2026-5335…

    first Jul 29, 2026
  • High max 8.8
    USN-8622-1 2 CVEs

    linux-nvidia, linux-nvidia-7.0 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: - ARM64 architecture; - Arm Firmware Framework for ARMv8-A(FFA); (CVE-2026-5335…

    first Jul 29, 2026
  • High max 8.8
    USN-7278-1 2 CVEs

    openssl vulnerabilities

    George Pantelakis and Alicja Kario discovered that OpenSSL had a timing side-channel when performing ECDSA signature computations. A remote attacker could possibly use this issue to recover private data. (CVE-2024-13176) It was discovered that OpenSSL incorre…

    first Feb 20, 2025
  • High max 8.8
    USN-8373-1 21 CVEs 1 exploited

    linux, linux-aws, linux-aws-6.8, linux-aws-fips, linux-azure, linux-fips, linux-gcp, linux-gcp-6.8, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-6.8, linux-ibm, linux-ibm-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-nvidia-tegra, linux-oracle, linux-oracle-6.8, linux-raspi, linux-raspi-realtime, linux-realtime, linux-realtime-6.8 vulnerabilities

    It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processin…

    first Jun 2, 2026
  • High max 8.8
    USN-8461-1 18 CVEs 1 exploited

    linux-azure vulnerabilities

    It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processin…

    first Jun 22, 2026
  • High max 8.8
    USN-8371-1 18 CVEs 1 exploited

    linux, linux-aws, linux-azure, linux-azure-6.17, linux-hwe-6.17, linux-nvidia-6.17, linux-oem-6.17, linux-oracle, linux-oracle-6.17, linux-raspi, linux-realtime, linux-realtime-6.17 vulnerabilities

    It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processin…

    first Jun 2, 2026
  • High max 8.8
    USN-8370-1 17 CVEs 1 exploited

    linux, linux-aws, linux-gcp, linux-ibm, linux-nvidia, linux-oracle, linux-raspi, linux-realtime vulnerabilities

    It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processin…

    first Jun 2, 2026
  • High max 7.5
    USN-8952-1 6 CVEs

    python-tornado vulnerabilities

    It was discovered that Tornado did not properly handle certain HTTP requests and network inputs. An attacker could possibly use these issues to cause a denial of service, expose sensitive information, or bypass access controls. (CVE-2023-54397, CVE-2024-14029…

    first Oct 22, 2026
  • High max 7.8
    USN-8793-1 9 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: - Bluetooth drivers; - GPU drivers; - Hardware monitoring drivers; - SPI subsys…

    first Sep 21, 2026
  • High max 7.8
    USN-8793-2 9 CVEs

    linux-azure-fde-6.8 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: - Bluetooth drivers; - GPU drivers; - Hardware monitoring drivers; - SPI subsys…

    first Sep 22, 2026
  • High max 7.8
    USN-8441-1 6 CVEs 1 exploited

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

    It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-31431) Seve…

    first Jun 17, 2026
  • High max 8.1
    USN-8955-2 4 CVEs

    nginx vulnerabilities

    USN-8955-1 fixed vulnerabilities in nginx in Ubuntu 26.10, Ubuntu 26.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 22.04 LTS. This update provides the corresponding update for Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 14.04 LTS. In addition, thi…

    first Nov 5, 2026
  • High max 7.5
    USN-7230-3 1 CVE

    frr regression

    USN-7230-2 fixed vulnerabilities in FRR. Unfortunately, the fix for CVE-2024-55553 introduced a regression in RPKI support, causing FRR to stop processing RPKI updates after the first one, so routes were not revalidated when RPKI data changed. In Ubuntu 20.04…

    first Nov 5, 2026
  • High max 8.8
    USN-7201-1 4 CVEs

    webkit2gtk vulnerabilities

    Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting a…

    first Jan 13, 2025
  • High max 7.8
    USN-8281-2 5 CVEs 1 exploited

    linux-azure-4.15, linux-azure-fips vulnerabilities

    It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-31431) Seve…

    first May 22, 2026
  • High max 7.8
    USN-8281-1 5 CVEs 1 exploited

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

    It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-31431) Seve…

    first May 19, 2026
  • High max 8.7
    USN-8999-1 11 CVEs

    pillow vulnerabilities

    It was discovered that Pillow incorrectly handled map stride values when loading certain McIdas AREA images. An attacker could possibly use this issue to obtain sensitive information or cause a denial of service. (CVE-2026-54058) It was discovered that Pillow…

    first Nov 4, 2026
  • High max 7.7
    USN-8998-1 1 CVE

    squid vulnerability

    It was discovered that Squid incorrectly handled certain HTTP Transfer- Encoding headers. An attacker could possibly use this issue to perform HTTP request smuggling attacks, bypass security mechanisms, or poison web caches.

    first Nov 4, 2026
  • High max 7.5
    USN-8997-1 1 CVE

    net-snmp vulnerability

    It was discovered that Net-SNMP incorrectly handled newly accepted connections in the SMUX module. An unauthenticated remote attacker could possibly use this issue to cause Net-SNMP to block indefinitely, resulting in a denial of service.

    first Nov 4, 2026
  • High max 7.7
    USN-8996-1 1 CVE

    apt vulnerability

    Max Justicz discovered that APT incorrectly handled hard links when encountering redirects and retrying package downloads. A remote on-path attacker could possibly use this issue to trick APT into installing an unverified package and achieve remote code execu…

    first Nov 4, 2026
  • High max 8.8
    USN-8200-2 5 CVEs

    linux-fips, linux-aws-fips, linux-azure-fips, linux-gcp-fips 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: - ARM64 architecture; - Cryptographic API; - GPU drivers; - I2C subsystem; - Ne…

    first Apr 22, 2026
  • High max 8.8
    USN-8200-3 5 CVEs

    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: - ARM64 architecture; - Cryptographic API; - GPU drivers; - I2C subsystem; - Ne…

    first May 11, 2026
  • High max 8.8
    USN-8200-1 5 CVEs

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-gcp, linux-gcp-5.4, 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: - ARM64 architecture; - Cryptographic API; - GPU drivers; - I2C subsystem; - Ne…

    first Apr 22, 2026
  • High max 8.8
    USN-8164-1 15 CVEs

    linux-intel-iot-realtime vulnerabilities

    Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module (LSM). An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of se…

    first Apr 9, 2026
  • High max 8.8
    USN-8159-1 4 CVEs

    linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-ibm, linux-ibm-5.15, 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-igx, linux-oracle, linux-oracle-5.15, linux-raspi, 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: - ARM64 architecture; - Cryptographic API; - Netfilter; - Network traffic contr…

    first Apr 8, 2026
  • High max 7.8
    USN-8149-3 3 CVEs

    linux-azure, linux-azure-6.17 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: - Cryptographic API; - Netfilter; - Network traffic control; (CVE-2026-23060, C…

    first Apr 14, 2026
  • High max 7.8
    USN-8148-6 3 CVEs

    linux-azure, linux-azure-6.8 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: - Cryptographic API; - Netfilter; - Network traffic control; (CVE-2026-23060, C…

    first Apr 14, 2026
  • High max 8.8
    USN-8159-3 4 CVEs

    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: - ARM64 architecture; - Cryptographic API; - Netfilter; - Network traffic contr…

    first Apr 8, 2026
  • High max 7.8
    USN-8148-4 3 CVEs

    linux-realtime-6.17 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: - Cryptographic API; - Netfilter; - Network traffic control; (CVE-2026-23060, C…

    first Apr 6, 2026
  • High max 8.8
    USN-8145-1 5 CVEs

    linux, linux-aws, linux-aws-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: - ARM64 architecture; - Cryptographic API; - UDF file system; - NFC subsystem; …

    first Apr 2, 2026
  • High max 8.8
    USN-8159-2 4 CVEs

    linux-fips, linux-aws-fips, linux-gcp-fips 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: - ARM64 architecture; - Cryptographic API; - Netfilter; - Network traffic contr…

    first Apr 8, 2026
  • High max 7.8
    USN-8148-1 3 CVEs

    linux, linux-aws, linux-gcp, linux-gke, linux-gkeop, linux-ibm, linux-lowlatency, linux-nvidia, 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 subsystems: - Cryptographic API; - Netfilter; - Network traffic control; (CVE-2026-23060, C…

    first Apr 2, 2026
  • High max 8.8
    USN-8145-3 5 CVEs

    linux-gcp, linux-gcp-4.15, linux-gcp-fips 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: - ARM64 architecture; - Cryptographic API; - UDF file system; - NFC subsystem; …

    first Apr 6, 2026
  • High max 8.8
    USN-8143-1 7 CVEs

    linux, linux-aws, linux-kvm, linux-lts-xenial 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: - Cryptographic API; - GPU drivers; - BTRFS file system; - GFS2 file system; - …

    first Apr 1, 2026
  • High max 7.8
    USN-8149-1 3 CVEs

    linux, linux-aws, linux-aws-6.17, linux-gcp, linux-gcp-6.17, linux-hwe-6.17, 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: - Cryptographic API; - Netfilter; - Network traffic control; (CVE-2026-23060, C…

    first Apr 2, 2026
  • High max 7.8
    USN-8148-3 3 CVEs

    linux-realtime, linux-realtime-6.8, linux-raspi-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: - Cryptographic API; - Netfilter; - Network traffic control; (CVE-2026-23060, C…

    first Apr 2, 2026
  • High max 8.8
    USN-8145-2 5 CVEs

    linux-fips, linux-aws-fips 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: - ARM64 architecture; - Cryptographic API; - UDF file system; - NFC subsystem; …

    first Apr 2, 2026
  • High max 7.8
    USN-8149-2 3 CVEs

    linux-oracle, linux-oracle-6.17, 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 subsystems: - Cryptographic API; - Netfilter; - Network traffic control; (CVE-2026-23060, C…

    first Apr 9, 2026