Ubuntu Security Notice 2807-1 - Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.
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Ubuntu Security Notice 2808-1 - It was discovered that wpa_supplicant incorrectly handled WMM Sleep Mode Response frame processing. A remote attacker could use this issue to perform broadcast/multicast packet injections, or cause a denial of service. It was discovered that wpa_supplicant and hostapd incorrectly handled certain EAP-pwd messages. A remote attacker could use this issue to cause a denial of service. Various other issues were also addressed.
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This bulletin summary lists multiple bulletins that have undergone a major revision increment for November, 2015.
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This bulletin summary lists twelve released Microsoft security bulletins for November, 2015.
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Debian Linux Security Advisory 3396-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service.
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Debian Linux Security Advisory 3386-2 - The update for unzip issued as DSA-3386-1 introduced a regression when extracting 0-byte files. Updated packages are now available to address this regression.
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Ubuntu Security Notice 2806-1 - Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.
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Ubuntu Security Notice 2805-1 - Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.
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Ubuntu Security Notice 2804-1 - Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.
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Ubuntu Security Notice 2803-1 - Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.
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Ubuntu Security Notice 2802-1 - Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.
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Ubuntu Security Notice 2800-1 - Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.
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Red Hat Security Advisory 2015-2019-01 - The System Security Services Daemon service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch and the Pluggable Authentication Modules interfaces toward the system, and a pluggable back-end system to connect to multiple different account sources. It was found that SSSD's Privilege Attribute Certificate responder plug-in would leak a small amount of memory on each authentication request. A remote attacker could potentially use this flaw to exhaust all available memory on the system by making repeated requests to a Kerberized daemon application configured to authenticate using the PAC responder plug-in.
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Ubuntu Security Notice 2801-1 - Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service (system crash) in the host OS.
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Joomla suffers from multiple cryptography implementation failures.
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