Debian Linux Security Advisory 3519-1 - Multiple security issues have been found in the Xen virtualisation solution, which may result in denial of service or information disclosure.
83c773cd1a9d89c83c1cadc236dc7ddc69687ff0afc1fa763fc23b17d53cd00cDebian Linux Security Advisory 3471-1 - Several vulnerabilities were discovered in qemu, a full virtualization solution on x86 hardware.
80c7a325e49ca44e15219690a760bf76916fa3b4cb01804b582a056e1da875a6Ubuntu Security Notice 2891-1 - Qinghao Tang discovered that QEMU incorrectly handled PCI MSI-X support. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 15.10. Lian Yihan discovered that QEMU incorrectly handled the VNC server. A remote attacker could use this issue to cause QEMU to crash, resulting in a denial of service. Various other issues were also addressed.
580fef167211b4ece7f738dc32249f6c7969c59f39bd284bc8a9068f2cf50c33Ubuntu Security Notice 2886-2 - It was discovered that a use-after-free vulnerability existed in the AF_UNIX implementation in the Linux kernel. A local attacker could use crafted epoll_ctl calls to cause a denial of service (system crash) or expose sensitive information. It was discovered that the KVM implementation in the Linux kernel did not properly restore the values of the Programmable Interrupt Timer (PIT). A user-assisted attacker in a KVM guest could cause a denial of service in the host (system crash). Various other issues were also addressed.
f224ae824b3b14b9ca929cf40a2e3f6f5db08bd558114527506befeea164e26aDebian Linux Security Advisory 3434-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leak.
f1141a8de6449e71f448b35c2f5555c825d9e8cd9ccb92406b4982ef5187cd2bUbuntu Security Notice 2854-1 - 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. Konrad Rzeszutek Wilk discovered the Xen PCI backend driver does not perform sanity checks on the device's state. An attacker could exploit this flaw to cause a denial of service (NULL dereference) on the host. Various other issues were also addressed.
4560f59cb8a5d18a6cadd565d521fc357f2f31aae4087d2abd4f1b351acf0022Ubuntu Security Notice 2853-1 - 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. Konrad Rzeszutek Wilk discovered the Xen PCI backend driver does not perform sanity checks on the device's state. An attacker could exploit this flaw to cause a denial of service (NULL dereference) on the host. Various other issues were also addressed.
63d4243633188475257f38038140ee8db3ad0e912331c6117e50c2ea9b6e6ec3Ubuntu Security Notice 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. Konrad Rzeszutek Wilk discovered the Xen PCI backend driver does not perform sanity checks on the device's state. An attacker could exploit this flaw to cause a denial of service (NULL dereference) on the host. Various other issues were also addressed.
c3bc75f25e193f65a56c6bde3e9a18bb5184bd7f7287a3922a66b78bdb330a5cUbuntu Security Notice 2849-1 - 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. Konrad Rzeszutek Wilk discovered the Xen PCI backend driver does not perform sanity checks on the device's state. An attacker could exploit this flaw to cause a denial of service (NULL dereference) on the host. Various other issues were also addressed.
a1a98844b4c2a11b68747717adfe49c0ebd896f8f591949ca53e7b528714ec65Ubuntu Security Notice 2850-1 - 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. Konrad Rzeszutek Wilk discovered the Xen PCI backend driver does not perform sanity checks on the device's state. An attacker could exploit this flaw to cause a denial of service (NULL dereference) on the host. Various other issues were also addressed.
8801a20dfe670ed0777b0812cfbdf2656a6759e6e01895b49721cb6f391a893fUbuntu Security Notice 2848-1 - 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. Konrad Rzeszutek Wilk discovered the Xen PCI backend driver does not perform sanity checks on the device's state. An attacker could exploit this flaw to cause a denial of service (NULL dereference) on the host. Various other issues were also addressed.
fc0f72b1e064467de2364cecc6ee0a59b06910e328536901a7907d726cba38d5Ubuntu Security Notice 2847-1 - 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. Konrad Rzeszutek Wilk discovered the Xen PCI backend driver does not perform sanity checks on the device's state. An attacker could exploit this flaw to cause a denial of service (NULL dereference) on the host. Various other issues were also addressed.
a7cf252d76724c2696c8b0cb0001b4c7e59cffd0126ac0be2507a723b3d60e50Ubuntu Security Notice 2846-1 - 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. Konrad Rzeszutek Wilk discovered the Xen PCI backend driver does not perform sanity checks on the device's state. An attacker could exploit this flaw to cause a denial of service (NULL dereference) on the host. Various other issues were also addressed.
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