Xen 竞争条件问题漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. Xen has a security vulnerability that stems...

[SECURITY] Fedora 35 Update: xen-4.15.2-2.fc35

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

[SECURITY] Fedora 34 Update: xen-4.14.4-2.fc34

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

Vulnerabilities fixed in Xen

Vulnerabilities have been fixed in Xen Hypervisor. The vulnerabilities allow a malicious person to carry out attacks execute attacks that result in the following categories of damage: Denial-of-Service DoS Manipulation of data Access to sensitive data Xen has released updates to address the...

PT-2022-4165 · Xen +5 · Xen +5

Name of the Vulnerable Software and Affected Versions: Xen affected versions not specified Description: The issue is caused by synchronization errors when using shared resources in components of the Xen hypervisor, including blkfront, netfront, scsifront, usbfront, dmabuf, xenbus, 9p, kbdfront, a...

PT-2022-4539 · Xen +5 · Xen +5

Name of the Vulnerable Software and Affected Versions: Xen hypervisor affected versions not specified Description: The issue is caused by synchronization errors when using a shared resource in the scsifront driver of the Xen hypervisor. Exploitation of this issue may allow an attacker to cause a...

PT-2022-4540 · Unknown +5 · Xen Hypervisor +5

Name of the Vulnerable Software and Affected Versions: Xen hypervisor affected versions not specified Description: The issue is caused by synchronization errors when using a shared resource in the blkfront driver of the Xen hypervisor. Exploitation of this issue may allow an attacker to cause a...

PT-2022-4164 · Unknown +5 · Xen Hypervisor +5

Name of the Vulnerable Software and Affected Versions: Xen hypervisor netfront component affected versions not specified Description: The issue is caused by synchronization errors when using a shared resource in the netfront component of the Xen hypervisor. Exploitation of this issue may allow an...

PT-2022-4166 · Xen +5 · Xen +5

Name of the Vulnerable Software and Affected Versions: Xen affected versions not specified Description: The issue is caused by synchronization errors when using a shared resource in the xenbus component of the Xen hypervisor. Exploitation of this issue may allow an attacker to cause a denial of...

PT-2022-4330 · Unknown +5 · Xen Hypervisor +5

Name of the Vulnerable Software and Affected Versions: Xen hypervisor affected versions not specified Description: The issue is caused by synchronization errors when using a shared resource in the gntalloc driver of the Xen hypervisor. Exploitation of this issue may allow an attacker to cause a...

PT-2022-4531 · Xen +5 · Xen +5

Name of the Vulnerable Software and Affected Versions: Xen affected versions not specified Description: The issue is caused by synchronization errors when using a shared resource in the Xen hypervisor's paravirtualization PV mode implementation. This can be exploited to cause a denial of service...

[SECURITY] Fedora 34 Update: xen-4.14.4-1.fc34

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

The vulnerability of Xen hypervisors, related to the use of memory after it is freed, allows a attacker to cause a service failure or increase their privileges.

The vulnerability of Xen hypervisors relates to the use of memory after it is freed during the processing of input/output page tables in the IOMMU Input/Output Memory Management Unit memory management unit. Exploiting this vulnerability can allow an attacker to cause service failures or increase...

Important: kernel

Issue Overview: A denial of service flaw for virtual machine guests in the Linux kernel's Xen hypervisor subsystem was found in the way users call some interrupts with high frequency from one of the guests. A local user could use this flaw to starve the resources resulting in a denial of service...

Important: kernel

Issue Overview: A flaw in the processing of received ICMP errors ICMP fragment needed and ICMP redirect in the Linux kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypass the source port UDP randomization...

[SECURITY] Fedora 35 Update: xen-4.15.1-5.fc35

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

ROS-20220125-18

A vulnerability in the Xen hypervisor is related to the incorrect configuration of a number of devices and the incorrect data structure release, including I/O page tables. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service and other issues,...

Important: kernel

Issue Overview: A denial of service flaw for virtual machine guests in the Linux kernel's Xen hypervisor subsystem was found in the way users call some interrupts with high frequency from one of the guests. A local user could use this flaw to starve the resources resulting in a denial of service...

ALPINE-CVE-2022-23034

A PV guest could DoS Xen while unmapping a grant To address XSA-380, reference counting was introduced for grant mappings for the case where a PV guest would have the IOMMU enabled. PV guests can request two forms of mappings. When both are in use for any individual mapping, unmapping of such a...

Xen 数字错误漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A numeric error vulnerability exists in xen,...