SUSE CVE-2022-23033

arm: guestphysmapremovepage not removing the p2m mappings The functions to remove one or more entries from a guest p2m pagetable on Arm p2mremovemapping, guestphysmapremovepage, and p2msetentry with mfn set to INVALIDMFN do not actually clear the pagetable entry if the entry doesn't have the vali...

SUSE CVE-2022-26356

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XENDMOPtrackdirtyvram was named HVMOPtrackdirtyvram before Xen 4.9 is racy with ongoing log dirty hypercalls. A suitably timed call to XENDMOPtrackdirtyvram can enable log dirty whil...

[SECURITY] Fedora 37 Update: xen-4.16.2-4.fc37

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

Xenstore: recursive operations causing xenstored stack exhaustion (XSA-418)

Xenstore: xenstored is using recursion for some Xenstore operations e.g. for deleting a sub-tree of Xenstore nodes. With sufficiently deep nesting levels this can result in stack exhaustion leading to a crash. Note that Nessus has not tested for this issue but has instead relied only on the...

Xenstore: Guests can crash xenstored (XSA-414)

Xenstore: a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be controlled by the guest e.g. by exceeding the quota value of...

[SECURITY] Fedora 35 Update: xen-4.15.3-7.fc35

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

Fedora: Security Advisory for xen (FEDORA-2022-99af00f60e)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH 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-or-later This program is free software; you can...

[SECURITY] Fedora 37 Update: xen-4.16.2-2.fc37

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

Xenstore: Guests can create arbitrary number of nodes via transactions (XSA-421)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a vulnerability in its node creation feature. In case a node has been created in a transaction and it is later deleted in the same transaction, the transaction will be terminated with an...

[SECURITY] Fedora 36 Update: xen-4.16.2-3.fc36

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

DEBIAN-CVE-2022-42323

Xenstore: Cooperating guests can create arbitrary numbers of nodes This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Since the fix of XSA-322 any Xenstore node owned by a removed domain will be modified to be owned by...

Xen 安全漏洞

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 Xenstore suffers from a security...

PT-2022-7326 · Xen +1 · Xenstore +1

Name of the Vulnerable Software and Affected Versions: Xenstore affected versions not specified Description: The issue is related to the Xenstore component of the Xen hypervisor, where malicious guests can cause xenstored to allocate large amounts of memory. This can result in a Denial of Service...

PT-2022-7331 · Xen +1 · Xenstore +1

Name of the Vulnerable Software and Affected Versions: Xenstore affected versions not specified Description: The issue is related to uncontrolled resource allocation in the Xenstore storage of the Xen hypervisor. Exploitation can lead to a denial of service DoS of xenstored. Malicious guests can...

The vulnerability of Xen hypervisors, related to the swapping of the zero pointer, allows a attacker to trigger a service failure.

The vulnerability of Xen hypervisors is related to the handling of the zero pointer. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of Xen hypervisors, related to the use of memory after it is freed, allows a attacker to execute arbitrary code or cause a service failure.

The vulnerability of Xen hypervisors is related to the use of memory after it has been freed. Exploiting this vulnerability can allow an attacker to execute arbitrary code or cause a service failure...

The vulnerability of the Oxenstored component in the Xen hypervisor allows a hacker to execute arbitrary code.

The vulnerability of the Oxenstored component in the Xen hypervisor is related to the use of an unreliable search path. Exploiting this vulnerability allows an attacker to execute arbitrary code...

Amazon Linux AMI : kernel (ALAS-2022-1636)

The version of kernel installed on the remote host is prior to 4.14.294-150.533. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2022-1636 advisory. An out-of-bounds write flaw was found in the Linux kernel's framebuffer-based console driver functionality in the w...

The vulnerability of Xen hypervisors relates to the unsafe management of privileges, allowing attackers to elevate their own privileges.

The vulnerability of Xen hypervisors is related to insecure management of privileges. Exploiting this vulnerability can allow attackers to enhance their privileges...

The vulnerability of Xen hypervisors, related to deficiencies in the authorization process, allows attackers to gain unauthorized access to protected information.

The vulnerability of Xen hypervisors is related to deficiencies in the authentication process. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information...