ALPINE-CVE-2016-6259

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention SMAP whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service hypervisor and VM crash by triggering a safety check...

Ubuntu: Security Advisory (USN-3007-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-3003-1: Linux kernel vulnerabilities

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...

USN-3001-1: Linux kernel (Vivid HWE) vulnerabilities

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3006-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3006-1 advisory. Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use th...

kernel: x86: espfix not working for 32-bit KVM paravirt guests

It was found that the espfix functionality does not work for 32-bit KVM paravirtualized guests. A local, unprivileged guest user could potentially use this flaw to leak kernel stack addresses...

Linux DoS Xen 4.2.0 2012-5525

This module causes a hypervisor crash in Xen 4.2.0 when invoked from a paravirtualized VM, including from dom0. Successfully tested on Debian 7 3.2.0-4-amd64 with Xen 4.2.0. This module requires Metasploit: https://metasploit.com/download Current source:...

Fedora 23 : xen-4.5.2-6.fc23 (2015-d8253e2b1d)

paravirtualized drivers incautious about shared memory contents XSA-155, CVE-2015-8550 qemu-dm buffer overrun in MSI-X handling XSA-164, CVE-2015-8554 information leak in legacy x86 FPU/XMM initialization XSA-165, CVE-2015-8555 ioreq handling possibly susceptible to multiple read issue XSA-166 No...

Fedora 22 : xen-4.5.2-6.fc22 (2015-c44bd3e0fa)

paravirtualized drivers incautious about shared memory contents XSA-155, CVE-2015-8550 qemu-dm buffer overrun in MSI-X handling XSA-164, CVE-2015-8554 information leak in legacy x86 FPU/XMM initialization XSA-165, CVE-2015-8555 ioreq handling possibly susceptible to multiple read issue XSA-166 No...

Ubuntu 14.04 LTS : QEMU vulnerabilities (USN-2891-1)

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2891-1 advisory. 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,...

USN-2891-1: QEMU vulnerabilities

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. CVE-2015-7549 Lian Yihan discovered that QEMU incorrectl...

openSUSE Security Update : xen (openSUSE-2016-35)

This update for xen fixes the following security issues : - CVE-2015-8568 CVE-2015-8567: xen: qemu: net: vmxnet3: host memory leakage boo959387 - CVE-2015-8550: xen: paravirtualized drivers incautious about shared memory contents XSA-155, boo957988 - CVE-2015-8558: xen: qemu: usb: infinite loop i...

openSUSE Security Update : xen (openSUSE-2016-36)

This update for xen fixes the following issues : - CVE-2015-8567,CVE-2015-8568: xen: qemu: net: vmxnet3: host memory leakage boo959387 - CVE-2015-8550: xen: paravirtualized drivers incautious about shared memory contents XSA-155, boo957988 - CVE-2015-8558: xen: qemu: usb: infinite loop in...

Mageia: Security Advisory (MGASA-2016-0005)

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-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. CVE-2015-8550...

Ubuntu 14.04 LTS : Linux kernel (Utopic HWE) vulnerabilities (USN-2849-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2849-1 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...

Ubuntu: Security Advisory (USN-2853-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-2854-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 12.04 LTS : linux vulnerabilities (USN-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. CVE-2015-8550...