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Ubuntu Security Notices (USN)

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

8,435 results · Feed

  • High max 7.5
    USN-5648-1 11 CVEs

    linux-gke-5.15 vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 30, 2022
  • High max 7.5
    USN-5647-1 6 CVEs

    linux-gcp vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 28, 2022
  • High max 7.5
    USN-5633-1 11 CVEs

    linux-gcp, linux-gke, linux-raspi vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 22, 2022
  • Medium max 5.5
    USN-5603-1 2 CVEs

    linux-raspi-5.4 vulnerabilities

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) It was discover…

    first Sep 8, 2022
  • Unscored
    USN-5597-1 1 CVE

    linux-oracle vulnerability

    It was discovered that the virtual terminal driver in the Linux kernel did not properly handle VGA console font changes, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitra…

    first Sep 5, 2022
  • Medium max 5.5
    USN-5596-1 2 CVEs

    linux-oem-5.17 vulnerabilities

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) It was discover…

    first Sep 2, 2022
  • Medium max 5.5
    USN-5592-1 2 CVEs

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

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) It was discover…

    first Sep 1, 2022
  • Unscored
    USN-5591-2 1 CVE

    linux-aws-hwe vulnerability

    It was discovered that the virtual terminal driver in the Linux kernel did not properly handle VGA console font changes, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitra…

    first Sep 1, 2022
  • Unscored
    USN-5591-1 1 CVE

    linux-azure, linux-gcp, linux-hwe vulnerability

    It was discovered that the virtual terminal driver in the Linux kernel did not properly handle VGA console font changes, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitra…

    first Aug 31, 2022
  • High max 7.5
    USN-5590-1 1 CVE

    linux-oem-5.14 vulnerability

    Domingo Dirutigliano and Nicola Guerrera discovered that the netfilter subsystem in the Linux kernel did not properly handle rules that truncated packets below the packet header size. When such rules are in place, a remote attacker could possibly use this to …

    first Aug 30, 2022
  • Medium max 5.5
    USN-5589-1 2 CVEs

    linux, linux-raspi vulnerabilities

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) It was discover…

    first Aug 30, 2022
  • High max 7.5
    USN-5580-1 4 CVEs

    linux-aws vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Aug 24, 2022
  • Medium max 5.6
    USN-5566-1 9 CVEs 1 exploited

    linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gke-5.15, linux-ibm, linux-kvm, linux-oracle, linux-raspi vulnerabilities

    Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service (system cr…

    first Aug 10, 2022
  • Unscored
    USN-5591-4 1 CVE

    linux-aws vulnerability

    It was discovered that the virtual terminal driver in the Linux kernel did not properly handle VGA console font changes, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitra…

    first Sep 2, 2022
  • Medium max 5.5
    USN-5577-1 2 CVEs

    linux-oem-5.14 vulnerabilities

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) It was discover…

    first Aug 24, 2022
  • High max 7.5
    USN-5541-1 11 CVEs

    linux-azure vulnerabilities

    Eric Biederman discovered that the cgroup process migration implementation in the Linux kernel did not perform permission checks correctly in some situations. A local attacker could possibly use this to gain administrative privileges. (CVE-2021-4197) Jann Hor…

    first Jul 28, 2022
  • High max 7.5
    USN-5539-1 7 CVEs

    linux-bluefield, linux-gcp-5.4, linux-gke-5.4 vulnerabilities

    It was discovered that the implementation of the 6pack and mkiss protocols in the Linux kernel did not handle detach events properly in some situations, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of s…

    first Jul 28, 2022
  • Medium max 5.5
    USN-5485-2 3 CVEs

    linux-oem-5.14 vulnerabilities

    It was discovered that some Intel processors did not completely perform cleanup actions on multi-core shared buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21123) It was discovered that some Intel processors did n…

    first Jul 1, 2022
  • Medium max 6.7
    USN-5471-1 8 CVEs

    linux-oem-5.17 vulnerabilities

    It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. (CVE-2022-21499) Aaron Adams discovered that…

    first Jun 8, 2022
  • High max 7.8
    USN-5294-1 8 CVEs 1 exploited

    linux vulnerabilities

    It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-22600) Szymo…

    first Feb 18, 2022
  • High max 7.8
    USN-5278-1 21 CVEs 1 exploited

    linux-oem-5.14 vulnerabilities

    It was discovered that the rlimit tracking for user namespaces in the Linux kernel did not properly perform reference counting, leading to a use-after- free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitr…

    first Feb 9, 2022
  • High max 7.5
    USN-5622-1 6 CVEs

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 21, 2022
  • High max 7.5
    USN-5514-1 6 CVEs

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-azure-fde, linux-gcp, linux-gke, linux-gkeop, linux-gkeop-5.4, 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

    It was discovered that the implementation of the 6pack and mkiss protocols in the Linux kernel did not handle detach events properly in some situations, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of s…

    first Jul 13, 2022
  • Unscored
    USN-5669-1 9 CVEs

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

    It was discovered that the SUNRPC RDMA protocol implementation in the Linux kernel did not properly calculate the header size of a RPC message payload. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-0812) Moshe Kol,…

    first Oct 10, 2022
  • High max 7.8
    USN-5338-1 13 CVEs 1 exploited

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-azure-fde, linux-gcp, linux-gcp-5.4, linux-gke, lnux-gke-5.4, linux-gkeop, linux-gkeop-5.4, 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

    Yiqi Sun and Kevin Wang discovered that the cgroups implementation in the Linux kernel did not properly restrict access to the cgroups v1 release_agent feature. A local attacker could use this to gain administrative privileges. (CVE-2022-0492) Jürgen Groß dis…

    first Mar 22, 2022
  • High max 7.8
    USN-5298-1 12 CVEs 1 exploited

    linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-hwe, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

    It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-22600) Jürge…

    first Feb 22, 2022
  • Unscored
    USN-5695-1 9 CVEs

    linux-gcp vulnerabilities

    It was discovered that the SUNRPC RDMA protocol implementation in the Linux kernel did not properly calculate the header size of a RPC message payload. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-0812) Moshe Kol,…

    first Oct 21, 2022
  • Unscored
    USN-5687-1 9 CVEs

    linux-azure-4.15 vulnerabilities

    It was discovered that the SUNRPC RDMA protocol implementation in the Linux kernel did not properly calculate the header size of a RPC message payload. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-0812) Moshe Kol,…

    first Oct 18, 2022
  • Unscored
    USN-5684-1 9 CVEs

    linux-azure vulnerabilities

    It was discovered that the SUNRPC RDMA protocol implementation in the Linux kernel did not properly calculate the header size of a RPC message payload. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-0812) Moshe Kol,…

    first Oct 17, 2022
  • High max 7.5
    USN-5623-1 21 CVEs

    linux-hwe-5.15, linux-lowlatency-hwe-5.15 vulnerabilities

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) It was discover…

    first Sep 21, 2022
  • Unscored
    USN-5591-3 1 CVE

    linux, linux-azure-4.15, linux-dell300x, linux-gcp-4.15, linux-kvm, linux-snapdragon vulnerability

    It was discovered that the virtual terminal driver in the Linux kernel did not properly handle VGA console font changes, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitra…

    first Sep 1, 2022
  • Unscored
    USN-5572-2 3 CVEs

    linux-aws vulnerabilities

    Roger Pau Monné discovered that the Xen virtual block driver in the Linux kernel did not properly initialize memory pages to be used for shared communication with the backend. A local attacker could use this to expose sensitive information (guest kernel memor…

    first Aug 30, 2022
  • High max 7.8
    USN-5294-2 8 CVEs 1 exploited

    linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-azure-fde, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4 linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities

    It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-22600) Szymo…

    first Feb 22, 2022
  • Unscored
    USN-5163-1 4 CVEs

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

    Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information (kernel memory). (CVE-2021-3655…

    first Nov 30, 2021
  • Unscored
    USN-5579-1 3 CVEs

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

    Roger Pau Monné discovered that the Xen virtual block driver in the Linux kernel did not properly initialize memory pages to be used for shared communication with the backend. A local attacker could use this to expose sensitive information (guest kernel memor…

    first Aug 24, 2022
  • Medium max 5.6
    USN-5565-1 5 CVEs 1 exploited

    linux, linux-hwe-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15 vulnerabilities

    Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service (system cr…

    first Aug 10, 2022
  • Medium max 5.6
    USN-5564-1 15 CVEs 1 exploited

    linux-intel-iotg vulnerabilities

    Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service (system cr…

    first Aug 10, 2022
  • Medium max 5.3
    USN-5560-1 13 CVEs 1 exploited

    linux, linux-aws, linux-azure-4.15, linux-dell300x, linux-gcp-4.15, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

    Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service (system cr…

    first Aug 10, 2022
  • Medium max 5.5
    USN-5535-1 10 CVEs

    Intel Microcode vulnerabilities

    Joseph Nuzman discovered that some Intel processors did not properly initialise shared resources. A local attacker could use this to obtain sensitive information. (CVE-2021-0145) Mark Ermolov, Dmitry Sklyarov and Maxim Goryachy discovered that some Intel proc…

    first Jul 28, 2022
  • Medium max 5.5
    USN-5529-1 11 CVEs

    linux-oem-5.17 vulnerabilities

    It was discovered that the Atheros ath9k wireless device driver in the Linux kernel did not properly handle some error conditions, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possib…

    first Jul 21, 2022