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Ubuntu Security Notices (USN)

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

8,409 results · Feed

  • 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
  • Medium max 5.5
    USN-6788-1 1 CVE 1 exploited

    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 May 28, 2024
  • Critical max 9.8
    USN-8278-1 196 CVEs 1 exploited

    linux, linux-aws, linux-aws-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-raspi, linux-raspi-realtime, linux-realtime, linux-realtime-6.8 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
  • Critical max 9.8
    USN-8310-1 22 CVEs 1 exploited

    linux-azure, linux-azure-6.17 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 26, 2026
  • Critical max 9.8
    USN-8289-1 195 CVEs 1 exploited

    linux-nvidia, linux-nvidia-lowlatency 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 20, 2026
  • Critical max 9.8
    USN-8305-1 7 CVEs 1 exploited

    linux-intel-iot-realtime 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 25, 2026
  • Critical max 9.8
    USN-8289-2 195 CVEs 1 exploited

    linux-nvidia-6.8 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 25, 2026
  • 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
  • Critical max 9.8
    USN-8305-2 7 CVEs 1 exploited

    linux-lowlatency-hwe-5.15 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 26, 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
  • Critical max 9.8
    USN-8280-1 6 CVEs 1 exploited

    linux, linux-aws, linux-aws-fips, linux-bluefield, linux-fips, linux-gcp, linux-gcp-5.4, linux-gcp-fips, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp 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
  • Critical max 9.8
    USN-8280-3 6 CVEs 1 exploited

    linux-iot 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 26, 2026
  • Critical max 9.8
    USN-8279-3 11 CVEs 1 exploited

    linux-nvidia-tegra-igx 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 25, 2026
  • Critical max 9.8
    USN-8280-2 6 CVEs 1 exploited

    linux-azure, linux-azure-5.4, 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
  • Critical max 9.8
    USN-8279-2 11 CVEs 1 exploited

    linux-gcp-5.15 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
  • Critical max 9.8
    USN-8279-1 11 CVEs 1 exploited

    linux, linux-aws, linux-aws-5.15, linux-aws-fips, linux-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-oracle, linux-raspi, linux-realtime 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
  • Critical max 9.8
    USN-8277-2 20 CVEs 1 exploited

    linux-oracle-6.17 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
  • Critical max 9.8
    USN-8278-2 196 CVEs 1 exploited

    linux-azure 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 26, 2026
  • Critical max 9.8
    USN-8277-1 20 CVEs 1 exploited

    linux, linux-aws, linux-hwe-6.17, linux-oem-6.17, linux-oracle, linux-raspi, linux-realtime, linux-realtime-6.17 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
  • Critical max 10.0
    USN-7530-2 1 CVE

    libphp-adodb vulnerability

    USN-7530-1 fixed a vulnerability in ADOdb. This update provides the corresponding updates for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. Original advisory details: It was discovered that ADOdb incorrectly han…

    first Nov 4, 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
  • Medium max 4.3
    USN-9000-1 1 CVE

    twisted vulnerability

    It was discovered that Twisted's IMAP server mishandled wildcard patterns in mailbox list commands. An authenticated remote attacker could possibly use this issue to cause Twisted to use excessive resources, leading to 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
  • Critical max 9.8
    USN-8096-1 217 CVEs

    linux, linux-aws, linux-gcp, linux-gkeop, linux-ibm, linux-ibm-5.15, linux-intel-iotg, linux-kvm, linux-lowlatency, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-oracle, linux-xilinx-zynqmp 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 Mar 16, 2026
  • Critical max 9.8
    USN-8493-1 64 CVEs

    linux, linux-aws, linux-aws-5.15, linux-aws-fips, linux-azure, linux-azure-5.15, linux-azure-fde-5.15, linux-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iot-realtime, linux-intel-iotg, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-nvidia-tegra-igx, linux-oracle, 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: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsy…

    first Jul 1, 2026
  • Critical max 9.8
    USN-8179-1 174 CVEs

    linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gke, linux-gkeop, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8 vulnerabilities

    Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issu…

    first Apr 16, 2026
  • Critical max 9.8
    USN-8615-1 23 CVEs

    linux, linux-aws, linux-aws-5.4, linux-aws-fips, linux-azure, linux-azure-5.4, linux-azure-fips, linux-bluefield, linux-fips, linux-gcp, linux-gcp-5.4, linux-gcp-fips, linux-hwe-5.4, linux-iot, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp vulnerabilities

    It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. (C…

    first Jul 28, 2026
  • Critical max 9.8
    USN-8635-1 49 CVEs

    linux-azure vulnerabilities

    Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this…

    first Aug 12, 2026
  • Critical max 9.8
    USN-8616-1 26 CVEs

    linux-ibm, linux-ibm-5.4 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 Jul 28, 2026
  • Critical max 9.8
    USN-8615-2 23 CVEs

    linux-raspi, linux-raspi-5.4 vulnerabilities

    It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. (C…

    first Jul 29, 2026
  • Critical max 9.8
    USN-8547-2 65 CVEs

    linux-azure-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: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsy…

    first Jul 28, 2026
  • Critical max 9.8
    USN-8529-2 21 CVEs

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

    It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. (C…

    first Aug 13, 2026
  • Critical max 9.8
    USN-8617-1 18 CVEs

    linux-kvm vulnerabilities

    It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. (C…

    first Jul 28, 2026
  • Critical max 9.8
    USN-8530-1 22 CVEs

    linux-aws, linux-aws-fips 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 Jul 10, 2026
  • Critical max 9.8
    USN-8529-1 21 CVEs

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

    It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. (C…

    first Jul 10, 2026
  • Critical max 9.8
    USN-8547-1 65 CVEs

    linux-gcp-5.15, linux-intel-iotg-5.15 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: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsy…

    first Jul 15, 2026
  • Critical max 9.8
    USN-8527-1 64 CVEs

    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: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsy…

    first Jul 10, 2026
  • Critical max 9.8
    USN-8180-1 80 CVEs

    linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gke, linux-gkeop, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, 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; - Block layer subsystem; - Drivers core; - Bluetooth driv…

    first Apr 16, 2026