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Ubuntu Security Notices (USN)

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

8,409 results · Feed

  • High max 7.9
    USN-5984-1 11 CVEs 1 exploited

    linux, linux-aws, linux-dell300x, linux-kvm, linux-oracle, linux-raspi2 vulnerabilities

    It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2021-3669) It was discovered that a use-after…

    first Mar 29, 2023
  • High max 7.9
    USN-5981-1 11 CVEs 1 exploited

    linux-aws-hwe, linux-hwe, linux-oracle vulnerabilities

    It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2021-3669) It was discovered that a use-after…

    first Mar 28, 2023
  • High max 8.1
    USN-6000-1 23 CVEs 1 exploited

    linux-bluefield vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Apr 5, 2023
  • High max 7.8
    USN-5962-1 18 CVEs

    linux-intel-iotg vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 16, 2023
  • High max 7.8
    USN-5941-1 18 CVEs

    linux-kvm vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 9, 2023
  • High max 8.1
    USN-5940-1 20 CVEs 1 exploited

    linux-raspi-5.4 vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 9, 2023
  • High max 8.1
    USN-5934-1 20 CVEs 1 exploited

    linux-raspi vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 7, 2023
  • High max 7.8
    USN-5926-1 6 CVEs

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

    Kirill Tkhai discovered that the XFS file system implementation in the Linux kernel did not calculate size correctly when pre-allocating space in some situations. A local attacker could use this to expose sensitive information. (CVE-2021-4155) Lee Jones disco…

    first Mar 6, 2023
  • High max 7.8
    USN-5919-1 12 CVEs

    linux-aws-hwe, linux-oracle vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 3, 2023
  • High max 8.0
    USN-5918-1 11 CVEs

    linux-bluefield vulnerabilities

    It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2…

    first Mar 3, 2023
  • High max 7.9
    USN-6004-1 15 CVEs 1 exploited

    linux-intel-iotg vulnerabilities

    It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1 and L2 VMs. An attacker in a guest VM could use this to expose sensitive information from the host OS or other guest …

    first Apr 11, 2023
  • High max 7.8
    USN-5912-1 18 CVEs

    linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde, linux-gcp, linux-gcp-5.15, linux-gke, linux-gke-5.15, linux-hwe-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle, linux-oracle-5.15 vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 2, 2023
  • High max 7.8
    USN-5911-1 15 CVEs

    linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.19, linux-ibm, linux-lowlatency, linux-oracle vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 2, 2023
  • High max 7.8
    USN-6007-1 20 CVEs

    linux-gcp vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Apr 11, 2023
  • High max 8.1
    USN-5951-1 20 CVEs 1 exploited

    linux-ibm, linux-ibm-5.4 vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 14, 2023
  • High max 7.8
    USN-5920-1 9 CVEs

    linux, linux-aws, linux-dell300x, linux-gcp-4.15, linux-oracle vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 3, 2023
  • High max 7.9
    USN-5979-1 9 CVEs 1 exploited

    linux-hwe-5.19 vulnerabilities

    It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1 and L2 VMs. An attacker in a guest VM could use this to expose sensitive information from the host OS or other guest …

    first Mar 28, 2023
  • High max 7.8
    USN-5978-1 12 CVEs

    linux-oem-6.1 vulnerabilities

    It was discovered that the Traffic-Control Index (TCINDEX) 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-2023-1…

    first Mar 27, 2023
  • High max 7.8
    USN-5976-1 9 CVEs

    linux-oem-5.14, linux-oem-5.17 vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 27, 2023
  • High max 7.9
    USN-5975-1 31 CVEs 1 exploited

    linux-azure vulnerabilities

    Updated on 2023-04-11: Please note that when USN 5975-1 was originally published, it incorrectly included the linux-gcp kernel for Ubuntu 16.04 ESM. References to that kernel have been removed from this USN and the correct information for it has been publishe…

    first Mar 27, 2023
  • High max 8.1
    USN-5917-1 20 CVEs 1 exploited

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

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 3, 2023
  • High max 7.9
    USN-5924-1 29 CVEs 1 exploited

    linux-azure, linux-azure, linux-azure vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 6, 2023
  • High max 7.9
    USN-5927-1 18 CVEs 1 exploited

    linux-azure-4.15 vulnerabilities

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 7, 2023
  • High max 7.8
    USN-5925-1 8 CVEs

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

    It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of…

    first Mar 6, 2023
  • Medium max 6.7
    USN-5865-1 11 CVEs

    linux-azure-4.15 vulnerabilities

    It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 (V4L2) implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-2…

    first Feb 10, 2023
  • Medium max 5.5
    USN-5756-1 8 CVEs

    linux, linux-aws, linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-gkeop, 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

    Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service (system crash) or possi…

    first Dec 1, 2022
  • High max 8.1
    USN-5876-1 10 CVEs

    linux-aws, linux-aws-5.15, linux-azure-fde, linux-gcp, linux-gcp-5.15, linux-intel-iotg vulnerabilities

    It was discovered that a memory leak existed in the Unix domain socket implementation of the Linux kernel. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2022-3543) It was discovered that the Bluetooth HCI implementatio…

    first Feb 15, 2023
  • High max 8.0
    USN-5861-1 15 CVEs

    linux-dell300x vulnerabilities

    It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2…

    first Feb 9, 2023
  • High max 8.0
    USN-5875-1 11 CVEs

    linux-gke vulnerabilities

    It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2…

    first Feb 15, 2023
  • High max 8.1
    USN-5851-1 10 CVEs

    linux, linux-azure, linux-azure-5.15, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle, linux-oracle-5.15, linux-raspi vulnerabilities

    It was discovered that a memory leak existed in the Unix domain socket implementation of the Linux kernel. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2022-3543) It was discovered that the Bluetooth HCI implementatio…

    first Feb 9, 2023
  • High max 7.8
    USN-5874-1 7 CVEs

    linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-oracle-5.4 vulnerabilities

    It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel did not properly perform bounds checking in some situations. A physically proximate attacker could use this to craft a malicious USB device that when inserted, could cause a denia…

    first Feb 15, 2023
  • High max 7.8
    USN-5792-1 13 CVEs

    linux, linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-kvm, linux-lowlatency, linux-oracle, linux-raspi, vulnerabilities

    Mingwei Zhang discovered that the KVM implementation for AMD processors in the Linux kernel did not properly handle cache coherency with Secure Encrypted Virtualization (SEV). A local attacker could possibly use this to cause a denial of service (host system …

    first Jan 6, 2023
  • High max 7.5
    USN-5773-1 10 CVEs

    linux-oem-5.17 vulnerabilities

    It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2…

    first Dec 12, 2022
  • High max 7.5
    USN-5755-1 9 CVEs

    linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-intel-iotg, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle, linux-oracle-5.15, linux-raspi vulnerabilities

    It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2…

    first Dec 1, 2022
  • Medium max 5.5
    USN-5757-2 9 CVEs

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

    Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service (system crash) or possi…

    first Dec 1, 2022
  • High max 7.8
    USN-5858-1 4 CVEs

    linux-oem-5.17 vulnerabilities

    Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN headers in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-0179)…

    first Feb 9, 2023
  • High max 7.5
    USN-5779-1 9 CVEs

    linux-azure, linux-azure-5.15, linux-azure-fde vulnerabilities

    It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2…

    first Dec 14, 2022
  • Medium max 5.5
    USN-5774-1 16 CVEs

    linux-azure vulnerabilities

    Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service (system crash) or possi…

    first Dec 12, 2022
  • Medium max 5.5
    USN-5756-3 8 CVEs

    linux-azure, linux-azure-5.4 vulnerabilities

    Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service (system crash) or possi…

    first Dec 12, 2022
  • High max 7.5
    USN-5755-2 9 CVEs

    linux-gcp-5.15, linux-gke, linux-gke-5.15 vulnerabilities

    It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2…

    first Dec 2, 2022