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Ubuntu Security Notices (USN)

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

8,409 results · Feed

  • High max 7.8
    USN-6651-2 6 CVEs

    linux-lowlatency, linux-lowlatency-hwe-6.5, linux-oem-6.5 vulnerabilities

    It was discovered that a race condition existed in the ATM (Asynchronous Transfer Mode) subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute a…

    first Feb 28, 2024
  • Critical max 9.0
    USN-6628-2 16 CVEs

    linux-intel-iotg-5.15 vulnerabilities

    Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2…

    first Feb 15, 2024
  • High max 8.8
    USN-6549-4 11 CVEs

    linux-intel-iotg vulnerabilities

    It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of servi…

    first Jan 5, 2024
  • High max 7.8
    USN-6502-4 5 CVEs

    linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2 vulnerabilities

    Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrar…

    first Nov 30, 2023
  • High max 7.8
    USN-6439-1 11 CVEs

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

    It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service (excessive CPU consumption). (CVE-2023-1206) Yu Hao and Weite…

    first Oct 19, 2023
  • High max 7.8
    USN-6256-1 32 CVEs

    linux-iot vulnerabilities

    Jiasheng Jiang discovered that the HSA Linux kernel driver for AMD Radeon GPU devices did not properly validate memory allocation in certain situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of …

    first Jul 27, 2023
  • Medium max 5.6
    USN-6516-1 5 CVEs

    linux-intel-iotg, linux-intel-iotg-5.15 vulnerabilities

    Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrar…

    first Nov 27, 2023
  • Critical max 10.0
    USN-6385-1 37 CVEs

    linux-oem-6.0 vulnerabilities

    It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. (CVE-2022-27672) William Zhao d…

    first Sep 19, 2023
  • Critical max 10.0
    USN-6951-4 83 CVEs 1 exploited

    linux-bluefield 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; - M68K architecture; - User-Mode Linux (UML); - x86 archi…

    first Aug 21, 2024
  • Critical max 9.8
    USN-6898-4 152 CVEs

    linux-aws-5.15 vulnerabilities

    Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. (CVE-2022-3809…

    first Jul 23, 2024
  • Critical max 9.8
    USN-6893-2 179 CVEs

    linux-gke, linux-nvidia vulnerabilities

    It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel when modifying certain settings values through debugfs. A privileged local attacker could use this to cause a denial of service. (CVE-2024-24857, CVE-2024-24858, CV…

    first Jul 16, 2024
  • High max 7.8
    USN-6341-1 5 CVEs

    linux vulnerabilities

    Jordy Zomer and Alexandra Sandulescu discovered that syscalls invoking the do_prlimit() function in the Linux kernel did not properly handle speculative execution barriers. A local attacker could use this to expose sensitive information (kernel memory). (CVE-…

    first Sep 6, 2023
  • High max 8.8
    USN-6972-3 18 CVEs

    linux-azure, linux-azure-4.15 vulnerabilities

    Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux Kernel contained a race condition, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of service (system crash). (CVE-2024-22099) It was disc…

    first Aug 23, 2024
  • High max 8.8
    USN-6972-2 18 CVEs

    linux-aws, linux-aws-hwe vulnerabilities

    Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux Kernel contained a race condition, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of service (system crash). (CVE-2024-22099) It was disc…

    first Aug 22, 2024
  • Critical max 9.8
    USN-6957-1 56 CVEs

    linux-oracle-5.15 vulnerabilities

    Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious #VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in contr…

    first Aug 13, 2024
  • Critical max 10.0
    USN-6951-2 83 CVEs 1 exploited

    linux-azure 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; - M68K architecture; - User-Mode Linux (UML); - x86 archi…

    first Aug 14, 2024
  • Critical max 9.8
    USN-6950-4 49 CVEs

    linux-hwe-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: - ARM32 architecture; - ARM64 architecture; - Block layer subsystem; - Bluetoot…

    first Aug 21, 2024
  • High max 8.3
    USN-6923-1 6 CVEs

    linux, linux-aws, linux-gcp, linux-gke, linux-gkeop, linux-gkeop-5.15, linux-hwe-5.15, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle vulnerabilities

    Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious #VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in contr…

    first Jul 29, 2024
  • Critical max 9.8
    USN-6893-3 179 CVEs

    linux-aws vulnerabilities

    It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel when modifying certain settings values through debugfs. A privileged local attacker could use this to cause a denial of service. (CVE-2024-24857, CVE-2024-24858, CV…

    first Jul 23, 2024
  • Critical max 9.0
    USN-6626-2 10 CVEs

    linux-lowlatency, linux-raspi vulnerabilities

    Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2…

    first Feb 14, 2024
  • High max 8.1
    USN-6085-1 10 CVEs

    linux-raspi vulnerabilities

    It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. (CVE-2022-27672) Zheng Wang dis…

    first May 17, 2023
  • High max 8.4
    USN-6973-4 9 CVEs

    linux-raspi-5.4 vulnerabilities

    It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A privileged local attacker could use this to possibly cause a denial of service (system crash). (CVE-2024-248…

    first Sep 2, 2024
  • High max 8.8
    USN-6972-4 18 CVEs

    linux-oracle vulnerabilities

    Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux Kernel contained a race condition, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of service (system crash). (CVE-2024-22099) It was disc…

    first Aug 28, 2024
  • Critical max 9.8
    USN-6950-3 50 CVEs

    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; - Block layer subsystem; - Bluetoot…

    first Aug 13, 2024
  • Medium max 5.6
    USN-6496-1 3 CVEs

    linux, linux-aws, linux-aws-5.15, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, linux-oracle-5.15, linux-raspi vulnerabilities

    Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrar…

    first Nov 21, 2023
  • Medium max 5.5
    USN-6465-1 2 CVEs

    linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-gcp, linux-gcp-5.15, linux-gkeop, linux-gkeop-5.15, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, linux-oracle-5.15 vulnerabilities

    Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-3…

    first Oct 31, 2023
  • High max 8.4
    USN-6973-3 9 CVEs

    linux-aws-5.4 vulnerabilities

    It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A privileged local attacker could use this to possibly cause a denial of service (system crash). (CVE-2024-248…

    first Aug 26, 2024
  • Critical max 9.8
    USN-6918-1 180 CVEs

    linux-oracle vulnerabilities

    It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel when modifying certain settings values through debugfs. A privileged local attacker could use this to cause a denial of service. Several security issues were discov…

    first Jul 26, 2024
  • High max 7.8
    USN-6094-1 8 CVEs

    linux, linux-aws, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm vulnerabilities

    Zheng Wang discovered that the Intel i915 graphics driver in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-3707) Jor…

    first May 22, 2023
  • High max 8.1
    USN-6080-1 10 CVEs

    linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-hwe-5.15, linux-ibm, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle vulnerabilities

    It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. (CVE-2022-27672) Zheng Wang dis…

    first May 16, 2023
  • High max 8.3
    USN-6923-2 6 CVEs

    linux-aws-5.15, linux-ibm, linux-ibm-5.15, linux-raspi vulnerabilities

    Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious #VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in contr…

    first Jul 30, 2024
  • High max 7.8
    USN-6921-2 7 CVEs

    linux-lowlatency vulnerabilities

    Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious #VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in contr…

    first Jul 30, 2024
  • Critical max 9.8
    USN-6895-4 100 CVEs

    linux-oem-6.5 vulnerabilities

    It was discovered that the ATA over Ethernet (AoE) driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2023-6270) It…

    first Aug 2, 2024
  • Critical max 9.8
    USN-6895-1 100 CVEs

    linux, linux-gcp, linux-nvidia-6.5, linux-raspi vulnerabilities

    It was discovered that the ATA over Ethernet (AoE) driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2023-6270) It…

    first Jul 12, 2024
  • Medium max 5.5
    USN-6465-2 2 CVEs

    linux-raspi vulnerabilities

    Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-3…

    first Nov 1, 2023
  • High max 7.8
    USN-6254-1 12 CVEs

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

    Jordy Zomer and Alexandra Sandulescu discovered that syscalls invoking the do_prlimit() function in the Linux kernel did not properly handle speculative execution barriers. A local attacker could use this to expose sensitive information (kernel memory). (CVE-…

    first Jul 26, 2023
  • Medium max 5.5
    USN-6465-3 2 CVEs

    linux-gke vulnerabilities

    Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-3…

    first Nov 10, 2023
  • High max 7.8
    USN-6415-1 8 CVEs

    linux-oem-6.1 vulnerabilities

    Daniel Trujillo, Johannes Wikner, and Kaveh Razavi discovered that some AMD processors utilising speculative execution and branch prediction may allow unauthorised memory reads via a speculative side-channel attack. A local attacker could use this to expose s…

    first Oct 4, 2023
  • Critical max 9.1
    USN-6338-1 11 CVEs

    linux, linux-aws, linux-aws-6.2, linux-hwe-6.2, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-raspi vulnerabilities

    Zi Fan Tan discovered that the binder IPC implementation 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-2023-21255) It was disc…

    first Sep 5, 2023
  • High max 7.8
    USN-6222-1 31 CVEs

    linux-xilinx-zynqmp vulnerabilities

    Jiasheng Jiang discovered that the HSA Linux kernel driver for AMD Radeon GPU devices did not properly validate memory allocation in certain situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of …

    first Jul 12, 2023