Xen Hypervisor Translated Guest Self-linear Shadow Mapping Handling Guest-to-Host Privilege Escalation (XSA-243)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by an unspecified flaw in mm/shadow/multi.c that is triggered during the handling of self-linear shadow mappings with translated guests. This may allow an attacker on the guest to cause a...

CVE-2017-15596

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service prevent physical CPU usage because of lock mishandling upon detection of an add-to-physmap error...

ALPINE-CVE-2017-15593

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service memory leak because reference counts are mishandled...

DEBIAN-CVE-2017-15594

An issue was discovered in Xen through 4.9.x allowing x86 SVM PV guest OS users to cause a denial of service hypervisor crash or gain privileges because IDT settings are mishandled during CPU hotplugging...

ALPINE-CVE-2017-15595

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service unbounded recursion, stack consumption, and hypervisor crash or possibly gain privileges via crafted page-table stacking...

UBUNTU-CVE-2017-15596

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service prevent physical CPU usage because of lock mishandling upon detection of an add-to-physmap error...

UBUNTU-CVE-2017-15590

An issue was discovered in Xen through 4.9.x allowing x86 guest OS users to cause a denial of service hypervisor crash or possibly gain privileges because MSI mapping was mishandled...

UBUNTU-CVE-2017-15594

An issue was discovered in Xen through 4.9.x allowing x86 SVM PV guest OS users to cause a denial of service hypervisor crash or gain privileges because IDT settings are mishandled during CPU hotplugging...

DEBIAN-CVE-2017-15589

An issue was discovered in Xen through 4.9.x allowing x86 HVM guest OS users to obtain sensitive information from the host OS or an arbitrary guest OS because intercepted I/O operations can cause a write of data from uninitialized hypervisor stack memory...

DEBIAN-CVE-2017-15588

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry...

xen information disclosure vulnerability (CNVD-2017-30248)

Xen is an open source virtual machine monitor developed by the Xen Project. Xen has an information disclosure vulnerability that can be exploited by attackers to obtain sensitive information...

xen denial of service vulnerability (CNVD-2017-30247)

Xen is an open source virtual machine monitor developed by the Xen Project. Xen has a denial of service vulnerability that can be exploited by attackers to cause a denial of service...

xen elevation of privilege vulnerability (CNVD-2017-30243)

Xen is an open source virtual machine monitor developed by the Xen Project. Xen suffers from an elevation of privilege vulnerability. An attacker can exploit this vulnerability to gain elevated privileges...

Xen Hypervisor Memory Leak on Boot (XSA-235)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by flaw within the pagealloc.c and asm-arm/numa.h due to not scrubbing the memory on boot. This could potentially leave sensitive information available to read after a reboot. This issue onl...

[SECURITY] Fedora 25 Update: xen-4.7.3-5.fc25

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

Xen Hypervisor Multiple Vulnerabilities (XSA-231 - XSA-234)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by multiple vulnerabilities : - A flaw exists in the allocheappages function due to improper handling when 'node = MAXNUMNODES'. A guest attacker can use crafted hypercalls to execute...

[SECURITY] Fedora 25 Update: xen-4.7.3-4.fc25

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

[SECURITY] Fedora 26 Update: xen-4.8.2-2.fc26

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

The vulnerability of the `xen_biovec_phys_mergeable` function in the `biomerge.c` driver (driver/xen/biomerge.c) of the Xen hypervisor and XenServer server virtualization platform allows a malicious actor to escalate their privileges, corrupt data flows of block devices, violate information confidentiality, and cause service failures.

The vulnerability of the xenbiovecphysmergeable function in the biomerge.c driver driver/xen/biomerge.c in the Xen hypervisor and XenServer server virtualization platform is related to deficiencies in access control for certain functions. Exploiting this vulnerability can allow an attacker to...

The vulnerability of component mm.c (arch/x86/mm.c) in the Xen hypervisor and the XenServer server virtualization platform allows a perpetrator to increase their privileges.

The vulnerability of component mm.c arch/x86/mm.c in the Xen hypervisor and the XenServer server virtualization platform is related to deficiencies in access control. Exploiting this vulnerability could allow an attacker, operating locally, to enhance their privileges by using functions related t...