CVE-2022-26357

race in VT-d domain ID cleanup Xen domain IDs are up to 15 bits wide. VT-d hardware may allow for only less than 15 bits to hold a domain ID associating a physical device with a particular domain. Therefore internally Xen domain IDs are mapped to the smaller value range. The cleaning up of the...

Citrix Hypervisor Security Update

A security issue has been identified that affects Citrix Hypervisor. This issue may allow privileged code in a guest VM to cause the host to crash or become unresponsive. The issue only affects systems with Intel CPUs where the malicious guest VM has had a physical PCI device assigned to it by th...

[SECURITY] Fedora 36 Update: xen-4.16.0-5.fc36

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

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...

AZL-42759 CVE-2018-25032 affecting package cloud-hypervisor-cvm for versions less than 38.0.72.2-1

zlib before 1.2.12 allows memory corruption when deflating i.e., when compressing if the input has many distant matches...

AZL-42715 CVE-2018-25032 affecting package cloud-hypervisor-cvm for versions less than 38.0.72.2-1

zlib before 1.2.12 allows memory corruption when deflating i.e., when compressing if the input has many distant matches...

Important: Red Hat Security Advisory: Red Hat Virtualization Host security and enhancement update [ovirt-4.4.10] Async #2

An update for redhat-release-virtualization-host and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base...

Moderate: Red Hat Security Advisory: Red Hat OpenStack Platform 16.2 (openstack-nova) security update

An update for openstack-nova is now available for Red Hat OpenStack Platform 16.2 Train. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Citrix Xenserver 7.1CU2 to Citrix Hypervisor 8.2 upgrade gets stuck at Boot Screen for servers with HPE Smart Array

After the Host is booted into the installer kernel it gets stuck at following screen...

CVE-2021-20257

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

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...

Driver Disk for Mellanox mlnxen 5.4-1.0.3.0 - For Citrix Hypervisor 8.2 LTSR

Who Should Install this Driver Disk? Customers running the Citrix Hypervisor 8.2 LTSR release who use Mellanox's mlnxen driver and wish to use the latest version of the following: Driver Module| Version ---|--- mlxcompat| Not applicable mlxfw| Not applicable auxiliary| Not applicable mlx5ib|...

Vulnerability fixed in AMD processors

AMD has fixed a vulnerability with reference CVE-2021-26401 for the Ryzen and Athlon processors. This vulnerability has the same cause as the vulnerability known as Spectre, with attribute CVE-2017-5717. This vulnerability allows a malicious party to obtain sensitive data from the memory of a loc...

Driver Disk for Qlogic qla2xxx 10.02.06.03-k - For Citrix Hypervisor 8.2 LTSR

Who Should Install this Driver Disk? Customers on Dell hardware running the Citrix Hypervisor 8.2 LTSR release who use Qlogic's qla2xxx driver and wish to use the latest version of the following: Driver Module| Version ---|--- qla2xxx| 10.02.06.03-k Note: If you use Dell hardware, ensure that you...

Citrix Hypervisor Security Update

An issue has been identified in AMD CPU hardware that may allow code in a guest VM to infer the value of in-memory data in other guest VMs. Although this is not an issue in the Citrix Hypervisor product itself, Citrix is releasinghotfixes that include mitigations for this hardware issue. This iss...