The vulnerability of the XENMEM_exchange component in Xen hypervisors allows a hacker to gain unauthorized access to confidential data, cause service failures, and compromise data integrity.

The vulnerability of the XENMEMexchange component in Xen hypervisors is related to the simultaneous execution using a shared resource with incorrect synchronization. Exploiting this vulnerability allows an attacker to gain unauthorized access to confidential data, cause service failures, and...

The vulnerability of Xen hypervisors relates to the lack of a mechanism for checking input data, allowing attackers to trigger a service failure.

The vulnerability of Xen hypervisors is related to the lack of a mechanism for checking input data. Exploiting this vulnerability allows an attacker to cause service failures...

[SECURITY] Fedora 32 Update: xen-4.13.0-7.fc32

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

Xen Bad error path in GNTTABOP_map_grant DoS (XSA-316)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a denial of service vulnerability. Grant table operations are expected to return 0 for success, and a negative number for errors. Some misplaced brackets cause one error path to return 1...

The vulnerability of the libxl function in Xen hypervisors allows attackers to access confidential data, compromise its integrity, and cause service failures.

The vulnerability of the libxl function in Xen hypervisors is related to insufficient validation of input data. Exploiting this vulnerability allows attackers to access confidential data, compromise its integrity, and cause service failures...

DEBIAN-CVE-2020-11739

An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service or possibly gain privileges because of missing memory barriers in read-write unlock paths. The read-write unlock paths don't contain a memory barrier. On Arm, this means a processor is allowed to...

DEBIAN-CVE-2020-11741

An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users with active profiling to obtain sensitive information about other guests, cause a denial of service, or possibly gain privileges. For guests for which "active" profiling was enabled by the administrator, the xenopr...

CVE-2020-11742

An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service because of bad continuation handling in GNTTABOPcopy. Grant table operations are expected to return 0 for success, and a negative number for errors. The fix for CVE-2017-12135 introduced a path...

The vulnerability of Xen hypervisors arises from the simultaneous execution using a shared resource with incorrect synchronization. This allows attackers to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of Xen hypervisors is related to an error in the restart operations for volume change operations. Exploiting this vulnerability can allow a remote attacker to gain access to confidential data, compromise its integrity, and cause service failures...

The vulnerability of Xen hypervisors relates to the improper assignment of permissions for critical resources. This allows attackers to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of Xen hypervisors is related to the occurrence of exceptions that are handled without modifying the processor’s level. Some interrupts are inevitably included when an exception is generated. Exploiting this vulnerability can allow a remote attacker to access confidential data,...

The vulnerabilities of the functions p2m_resolve_translation_fault() and p2m_get_entry() in Xen hypervisors, related to insufficient input data validation, allow attackers to access confidential data, compromise its integrity, and cause service failures.

The vulnerabilities of the functions p2mresolvetranslationfault and p2mgetentry in the Xen hypervisor are related to incorrect checks on the root table. Exploitation of these vulnerabilities can allow a malicious actor to gain access to confidential data, compromise its integrity, and cause servi...

The vulnerability of Xen hypervisors arises from insufficient validation of input data, allowing attackers to trigger service failures or increase their privileges.

The vulnerability of Xen hypervisors exists due to insufficient checking of input data. Exploiting this vulnerability can allow attackers to cause service failures or increase their privileges...

The vulnerability of the hypercall_initialise function in Xen hypervisors, related to insufficient validation of input data, allows a malicious actor to trigger a service failure.

The vulnerability of the hypercallinitialise function in Xen hypervisors is related to incorrect error handling for the invalid format symbol. Exploiting this vulnerability can allow a malicious actor to cause service failures...

The vulnerability of Xen hypervisors arises from the failure to take measures to neutralize special elements used in the operating system’s command set. This allows attackers to access confidential data, compromise its integrity, and cause service failures.

The vulnerability of Xen hypervisors is related to a reliability domain error that may allow access to physical devices. Exploiting this vulnerability can enable attackers to gain access to confidential data, compromise its integrity, and cause service failures...

The vulnerability of Xen hypervisors arises from insufficient validation of input data, allowing attackers to trigger service failures.

The vulnerability of Xen hypervisors exists due to insufficient checking of input data. Exploiting this vulnerability can allow attackers to cause service failures...

The vulnerability of Xen hypervisors relates to insufficient validation of input data. This allows attackers to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of Xen hypervisors relates to the dynamic adaptation of the number of page levels in the IOMMU, in accordance with the size of the address space of the user. Exploiting this vulnerability can allow an attacker to access confidential data, compromise its integrity, and even cause...

The vulnerability of Xen hypervisors relates to the execution of loops with an unavailable exit condition, allowing a malicious actor to cause a service failure.

The vulnerability of Xen hypervisors is related to incorrect processing of bits during iterations. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of Xen hypervisors relates to the insecure management of privileges, which allows attackers to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of Xen hypervisors is related to an emulation error in PV x86, where there is no check for the limit on the descriptor table. Exploiting this vulnerability can allow a remote attacker to access confidential data, compromise its integrity, and cause service failures...

The vulnerability of Xen hypervisors relates to insufficient validation of input data, allowing attackers to trigger a service failure.

The vulnerability of Xen hypervisors is related to an error in the VMX VMEntry function, which does not handle certain cases correctly. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

Denial Of Service (DoS)

kernel is vulnerable to denial of service DoS. The vulnerability exists as a flaw in the Xen hypervisor IOMMU error handling implementation could allow a privileged guest user, within a guest operating system that has direct control of a PCI device, to cause performance degradation on the host an...