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Ubuntu Security Notices (USN)

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

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  • Critical max 9.8
    USN-8392-1 10 CVEs 1 exploited

    linux-aws-5.4, linux-hwe-5.4 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) It w…

    first Jun 4, 2026
  • Critical max 9.8
    USN-8528-1 82 CVEs 2 exploited

    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) It w…

    first Jul 10, 2026
  • Critical max 9.8
    USN-8462-1 14 CVEs 2 exploited

    linux-oracle-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) It w…

    first Jun 22, 2026
  • Critical max 9.8
    USN-8426-2 18 CVEs 2 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) It w…

    first Jun 16, 2026
  • Critical max 9.8
    USN-8351-1 8 CVEs 1 exploited

    linux-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 Jun 1, 2026
  • Critical max 9.1
    USN-8801-1 5 CVEs 1 exploited

    linux-azure-fde, linux-azure-fde-7.0 vulnerabilities

    It was discovered that some Arm processors could complete a broadcast translation lookaside buffer (TLB) invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to me…

    first Sep 22, 2026
  • Critical max 9.8
    USN-8426-1 18 CVEs 2 exploited

    linux-azure-5.15, 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) It w…

    first Jun 11, 2026
  • Critical max 9.8
    USN-8391-1 13 CVEs 1 exploited

    linux-raspi, linux-raspi-5.4 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) It w…

    first Jun 4, 2026
  • Critical max 9.8
    USN-8350-1 8 CVEs 1 exploited

    linux-nvidia-tegra 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 1, 2026
  • 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
  • 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
  • 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 9.8
    USN-7449-1 461 CVEs 2 exploited

    linux, linux-aws, linux-azure, linux-azure-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 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; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Apr 23, 2025
  • Critical max 9.8
    USN-7450-1 460 CVEs 2 exploited

    linux-gcp, linux-gke, linux-gkeop 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; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Apr 23, 2025
  • Critical max 9.8
    USN-7468-1 739 CVEs 4 exploited

    linux-azure-nvidia vulnerabilities

    Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker could use this to connect a rougue device and possibly execute arbitrary code. (CVE-2024-8805) Attila Szás…

    first Apr 28, 2025
  • Critical max 9.8
    USN-7453-1 461 CVEs 2 exploited

    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; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Apr 23, 2025
  • Critical max 9.8
    USN-7451-1 577 CVEs 3 exploited

    linux-aws-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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Apr 23, 2025
  • Critical max 10.0
    USN-7524-1 705 CVEs 3 exploited

    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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first May 26, 2025
  • Critical max 10.0
    USN-7523-1 704 CVEs 3 exploited

    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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first May 20, 2025
  • Critical max 9.8
    USN-7310-1 730 CVEs 4 exploited

    linux-oem-6.11 vulnerabilities

    Attila Szász discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker could use a specially crafted file system image that, when mounted, could cause a denial of service (system crash) or pos…

    first Feb 28, 2025
  • Critical max 9.8
    USN-7452-1 460 CVEs 2 exploited

    linux-gcp-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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Apr 23, 2025
  • Critical max 9.8
    USN-7449-2 461 CVEs 2 exploited

    linux-hwe-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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V arc…

    first Apr 24, 2025
  • Critical max 9.8
    USN-7774-1 142 CVEs 1 exploited

    linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iotg, linux-intel-iotg-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-oracle, 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; - PowerPC architecture; - x86 architecture; - ACPI driver…

    first Dec 3, 2025
  • Critical max 10.0
    USN-7940-2 73 CVEs 3 exploited

    linux-azure-nvidia vulnerabilities

    Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker i…

    first Jan 9, 2026
  • Critical max 9.8
    USN-7938-1 187 CVEs 1 exploited

    linux-azure-5.15 vulnerabilities

    Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker i…

    first Dec 16, 2025
  • Critical max 9.8
    USN-7934-1 205 CVEs 1 exploited

    linux-azure, linux-azure-6.14 vulnerabilities

    It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. (CVE-2024-36331) Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and …

    first Dec 15, 2025
  • Critical max 10.0
    USN-7940-1 73 CVEs 3 exploited

    linux-azure-fips vulnerabilities

    Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker i…

    first Dec 17, 2025
  • Critical max 9.8
    USN-7936-1 6 CVEs 1 exploited

    linux-oem-6.14 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; - Compute Acceleration Framework; - Media drivers; - Netfi…

    first Dec 15, 2025