Red Hat Security Advisory 2015-1788-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the kernel's implementation of the Berkeley Packet Filter. A local attacker could craft BPF code to crash the system by creating a situation in which the JIT compiler would fail to correctly optimize the JIT image on the last pass. This would lead to the CPU executing instructions that were not part of the JIT code. Two flaws were found in the way the Linux kernel's networking implementation handled UDP packets with incorrect checksum values. A remote attacker could potentially use these flaws to trigger an infinite loop in the kernel, resulting in a denial of service on the system, or cause a denial of service in applications using the edge triggered epoll functionality.
25d0c7614c07675f849c3b6d3284745ade70ce6f99faadcd640f7598d955b66cRed Hat Security Advisory 2015-1778-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the kernel's implementation of the Berkeley Packet Filter. A local attacker could craft BPF code to crash the system by creating a situation in which the JIT compiler would fail to correctly optimize the JIT image on the last pass. This would lead to the CPU executing instructions that were not part of the JIT code. Two flaws were found in the way the Linux kernel's networking implementation handled UDP packets with incorrect checksum values. A remote attacker could potentially use these flaws to trigger an infinite loop in the kernel, resulting in a denial of service on the system, or cause a denial of service in applications using the edge triggered epoll functionality.
6931087e4966ef5af97d58d33a14d67431f59be2eca9c49d74bab95c4b9e66aeDebian Linux Security Advisory 3329-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leak.
032d7754d15daf5a42e6f9f97780a9dd8431d502054c7f15a05b87b1417f2da4Ubuntu Security Notice 2684-1 - A flaw was discovered in the kvm (kernel virtual machine) subsystem's kvm_apic_has_events function. A unprivileged local user could exploit this flaw to cause a denial of service (system crash). Daniel Borkmann reported a kernel crash in the Linux kernel's BPF filter JIT optimization. A local attacker could exploit this flaw to cause a denial of service (system crash). A flaw was discovered in how the Linux kernel handles invalid UDP checksums. A remote attacker could exploit this flaw to cause a denial of service using a flood of UDP packets with invalid checksums. Various other issues were also addressed.
c2a387be4e13bc76e8d691c26a62d180fdafc4908f03c7bf1cdfa528bcb41df7Ubuntu Security Notice 2683-1 - A flaw was discovered in the kvm (kernel virtual machine) subsystem's kvm_apic_has_events function. A unprivileged local user could exploit this flaw to cause a denial of service (system crash). Daniel Borkmann reported a kernel crash in the Linux kernel's BPF filter JIT optimization. A local attacker could exploit this flaw to cause a denial of service (system crash). A flaw was discovered in how the Linux kernel handles invalid UDP checksums. A remote attacker could exploit this flaw to cause a denial of service using a flood of UDP packets with invalid checksums. Various other issues were also addressed.
3af9e86c7769bcaffec157bf917b3e0a30ab6bc938c69d9a3b2611e3ee7a8ec6Ubuntu Security Notice 2681-1 - A flaw was discovered in the user space memory copying for the pipe iovecs in the Linux kernel. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or potentially escalate their privileges. A flaw was discovered in the kvm (kernel virtual machine) subsystem's kvm_apic_has_events function. A unprivileged local user could exploit this flaw to cause a denial of service (system crash). Various other issues were also addressed.
ff3d9b87245aa7a7be470860e38a4c3db83869527facf2395999f9c0ee992785Ubuntu Security Notice 2680-1 - A flaw was discovered in the user space memory copying for the pipe iovecs in the Linux kernel. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or potentially escalate their privileges. A flaw was discovered in the kvm (kernel virtual machine) subsystem's kvm_apic_has_events function. A unprivileged local user could exploit this flaw to cause a denial of service (system crash). Various other issues were also addressed.
9f8c52cb857d1bf6c9403fdeb6ee3ffa2190d244d316b7b2e938a8957adf6f3bUbuntu Security Notice 2679-1 - A flaw was discovered in the user space memory copying for the pipe iovecs in the Linux kernel. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or potentially escalate their privileges. Daniel Borkmann reported a kernel crash in the Linux kernel's BPF filter JIT optimization. A local attacker could exploit this flaw to cause a denial of service (system crash). Various other issues were also addressed.
093b6ea5cf583f5e4862e592941aee13388244e99f55e960dbec4cdfdfad8107Ubuntu Security Notice 2678-1 - A flaw was discovered in the user space memory copying for the pipe iovecs in the Linux kernel. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or potentially escalate their privileges. Daniel Borkmann reported a kernel crash in the Linux kernel's BPF filter JIT optimization. A local attacker could exploit this flaw to cause a denial of service (system crash). Various other issues were also addressed.
e9ec333052661bb9d7f920a92684486047046d470cf844ef04a87798d1297704Ubuntu Security Notice 2666-1 - A race condition was discovered in the Linux kernel's file_handle size verification. A local user could exploit this flaw to read potentially sensitive memory locations. A underflow error was discovered in the Linux kernel's Ozmo Devices USB over WiFi host controller driver. A remote attacker could exploit this flaw to cause a denial of service (system crash) or potentially execute arbitrary code via a specially crafted packet. Various other issues were also addressed.
47d9b2874b908191ceb7d6cc05e67c129969a7a846612e0abf42f762272cf153Ubuntu Security Notice 2664-1 - A race condition was discovered in the Linux kernel's file_handle size verification. A local user could exploit this flaw to read potentially sensitive memory locations. A underflow error was discovered in the Linux kernel's Ozmo Devices USB over WiFi host controller driver. A remote attacker could exploit this flaw to cause a denial of service (system crash) or potentially execute arbitrary code via a specially crafted packet. Various other issues were also addressed.
fa189e6b6391daa79f6ab7ceb545b2f97b172e45e1ec80055aa050d2726b9e27
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