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KVM is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the user-space component for running virtual machines using KVM. A heap-based buffer overflow flaw was discovered in the way QEMU"s AMD PC-Net II Ethernet Controller emulation received certain packets in loopback mode. A privileged user inside a guest could use this flaw to crash the host ...

The dnsmasq packages contain Dnsmasq, a lightweight DNS forwarder and DHCP server. Security Fix: * A heap buffer overflow was found in dnsmasq in the code responsible for building DNS replies. An attacker could send crafted DNS packets to dnsmasq which would cause it to crash or, potentially, execute arbitrary code. * A heap buffer overflow was discovered in dnsmasq in the IPv6 router advertise ...

The dnsmasq packages contain Dnsmasq, a lightweight DNS forwarder and DHCP server. Security Fix: * A heap buffer overflow was found in dnsmasq in the code responsible for building DNS replies. An attacker could send crafted DNS packets to dnsmasq which would cause it to crash or, potentially, execute arbitrary code. Red Hat would like to thank Felix Wilhelm , Fermin J. Serna , Gabriel Campana , ...

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: * A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel , an unauthenticated attacker able to initiate a connection to a system vi ...

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: * A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel , an unauthenticated attacker able to initiate a connection to a system vi ...

The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach, hciconfig, bluetoothd, l2ping, start scripts , and pcmcia configuration files. Security Fix: * An information-disclosure flaw was found in the bluetoothd implementation of the Service Discovery Protocol . A specially crafted Bluetooth device could, without prior pairing or user interaction, re ...

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: * A flaw was found in the way the Linux kernel loaded ELF executables. Provided that an application was built as Position Independent Executable , the loader could allow part of that application"s data segment to map over the memory area reserved for its stack, potentially resulting in memory corrup ...

The wpa_supplicant packages contain an 802.1X Supplicant with support for WEP, WPA, WPA2 , and various EAP authentication methods. They implement key negotiation with a WPA Authenticator for client stations and controls the roaming and IEEE 802.11 authentication and association of the WLAN driver. Security Fix: * A new exploitation technique called key reinstallation attacks affecting WPA2 has be ...

The wpa_supplicant packages contain an 802.1X Supplicant with support for WEP, WPA, WPA2 , and various EAP authentication methods. They implement key negotiation with a WPA Authenticator for client stations and controls the roaming and IEEE 802.11 authentication and association of the WLAN driver. Security Fix: * A new exploitation technique called key reinstallation attacks affecting WPA2 has be ...

Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 52.4.0. Security Fix: * Multiple flaws were found in the processing of malformed web content. A web page containing malicious content could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird. Red Hat would like to thank the ...


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