FreeBSD : xen-tools -- qemu incautious about shared ring processing (58685e23-ba4d-11e6-ae1b-002590263bf5)

The Xen Project reports : The compiler can emit optimizations in qemu which can lead to double fetch vulnerabilities. Specifically data on the rings shared between qemu and the hypervisor which the guest under control can obtain mappings of can be fetched twice during which time the guest can alt...

xen-tools -- qemu incautious about shared ring processing

The Xen Project reports: The compiler can emit optimizations in qemu which can lead to double fetch vulnerabilities. Specifically data on the rings shared between qemu and the hypervisor which the guest under control can obtain mappings of can be fetched twice during which time the guest can alte...

Debian Security Advisory DSA 3471-1 (qemu - security update)

Several vulnerabilities were discovered in qemu, a full virtualization solution on x86 hardware. CVE-2015-7295 Jason Wang of Red Hat Inc. discovered that the Virtual Network Device support is vulnerable to denial-of-service, that could occur when receiving large packets. CVE-2015-7504 Qinghao Tan...

Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-2848-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2848-1 advisory. Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the...

Ubuntu 15.10 : linux vulnerabilities (USN-2851-1)

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...

USN-2850-1: Linux kernel vulnerabilities

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...