Xen Project Process Context Identifiers Shadow Pagetables Denial of Service Vulnerability (XSA-294)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a denial of service vulnerability. Only x86 systems are affected. Note that Nessus has checked the changeset versions based on the xen.git change log. Nessus did not check guest hardware...

DEBIAN-CVE-2018-7540

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service host OS CPU hang via non-preemptable L3/L4 pagetable freeing...

Xen Hypervisor Pagetable De-typing Recursion Handling Guest-to-Host DoS (XSA-240)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a stack overflow vulnerability that is triggered when recursion is not properly handled when de-typing linear pagetables. By stacking multiple layers of page tables, an attacker within a...

x86: insufficient reference counts during shadow emulation

ISSUE DESCRIPTION When using shadow paging, writes to guest pagetables must be trapped and emulated, so the shadows can be suitably adjusted as well. When emulating the write, Xen maps the guests pagetables to make the final adjustment and leave the guest's view of its state consistent. However,...

Xen Hypervisor Multiple Vulnerabilities (XSA-213 - XSA-215)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by multiple vulnerabilities : - An information disclosure vulnerability exists in the getuser function due to permissions for accessing MMIO ranges being checked only after accessing them. A...

CVE-2016-7092

The getpagefroml3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables...

CVE-2016-7092

The getpagefroml3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables...

DEBIAN-CVE-2016-7092

The getpagefroml3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables...

ALPINE-CVE-2016-7092

The getpagefroml3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables...

Design/Logic Flaw

The getpagefroml3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables...

CVE-2016-7092

The getpagefroml3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables...

UBUNTU-CVE-2016-7092

The getpagefroml3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables...

CVE-2016-7092

The getpagefroml3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables...

CVE-2016-7092

The getpagefroml3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables...

CVE-2016-7092: Undefined Security Weakness

The getpagefroml3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables...

[SECURITY] [DLA 614-1] xen security update

Package : xen Version : 4.1.6.lts1-2 CVE ID : CVE-2016-7092 CVE-2016-7094 Multiple vulnerabilities have been discovered in the Xen hypervisor. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2016-7092 XSA-185 Jeremie Boutoille of Quarkslab and Shangcong Lua...

PT-2016-7210

Name of the Vulnerable Software and Affected Versions Xen affected versions not specified Description The issue allows local 32-bit PV guest OS administrators to gain host OS privileges. This is related to vectors involving L3 recursive pagetables in the get page from l3e function. Recommendation...

CVE-2016-7092

The getpagefroml3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables...

FreeBSD : xen-kernel -- x86 shadow pagetables: address width overflow (d51ced72-4212-11e6-942d-bc5ff45d0f28)

The Xen Project reports : In the x86 shadow pagetable code, the guest frame number of a superpage mapping is stored in a 32-bit field. If a shadowed guest can cause a superpage mapping of a guest-physical address at or above 2^44 to be shadowed, the top bits of the address will be lost, causing a...

Fedora 24 : xen-4.6.1-6.fc24 (2016-48e72b7bc5)

x86 shadow pagetables: address width overflow XSA-173, CVE-2016-3960 Qemu: net: buffer overflow in stellarisenet emulator CVE-2016-4001 Qemu: net: buffer overflow in MIPSnet emulator CVE-2016-4002 qemu: Infinite loop vulnerability in usbehci using siTD process CVE-2016-4037 Note that Tenable...