The vulnerability of the virtualization paravirtualization mode implementation in Xen hypervisors allows a malicious actor to gain unauthorized access to protected information.

The vulnerability of the PV mode implementation in Xen hypervisors relates to the use of the Indirect Branch Restricted Speculation IBRS mechanism for indirect branch control. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information...

Xen: Multiple vulnerabilities

Background Xen is a bare-metal hypervisor. Description Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below for details. Impact Please review the referenced CVE identifiers for details. Workaround There is no known workaround at this time...

Citrix Hypervisor Open Source Licensing and Attribution

The Citrix Hypervisor product is a compilation of software packages. Each package is governed by its own license. The complete licensing terms applicable to a given package can be found in the source RPM of the package, unless the package is covered by a proprietary license which does not permit...

ACRN Buffer Overflow Vulnerability

ACRN is an open source project released by the Linux Foundation, a hypervisor designed for IoT and embedded devices. An irteallocbitmap buffer overflow vulnerability exists in dmarfreeirte in hypervisor/arch/x86/vtd.c in versions prior to ACRN 2.5. No detailed vulnerability details are provided a...

ACRN Reuse After Release Vulnerability

ACRN is an open source project released by the Linux Foundation, which is a hypervisor designed for IoT and embedded devices. Device Model in ACRN suffers from a devicemodel/core/mem.c post-release reuse vulnerability. No details of the vulnerability are available at this time...

ACRN Null Pointer Dereference Vulnerability (CNVD-2021-49151)

ACRN is an open source project released by the Linux Foundation, which is a hypervisor designed for IoT and embedded devices. A null pointer dereference vulnerability exists in devicemodel/hw/pci/xhci.c in versions prior to ACRN 2.5. No details of the vulnerability are provided at this time...

CVE-2021-36146

ACRN before 2.5 has a devicemodel/hw/pci/xhci.c NULL Pointer Dereference for a trb pointer...

CVE-2021-36148

An issue was discovered in ACRN before 2.5. dmarfreeirte in hypervisor/arch/x86/vtd.c allows an irteallocbitmap buffer overflow...

CVE-2021-36147

An issue was discovered in ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtionet.c virtionetpingrxq NULL pointer dereference for vq-used...

Buffer overflow

An issue was discovered in ACRN before 2.5. dmarfreeirte in hypervisor/arch/x86/vtd.c allows an irteallocbitmap buffer overflow...

CVE-2021-36146

ACRN before 2.5 has a devicemodel/hw/pci/xhci.c NULL Pointer Dereference for a trb pointer...

CVE-2021-36148

An issue was discovered in ACRN before 2.5. dmarfreeirte in hypervisor/arch/x86/vtd.c allows an irteallocbitmap buffer overflow...

ACRN 代码问题漏洞

ACRN is an open source virtual machine monitor for the Internet of Things. A null pointer dereference vulnerability exists in vqendchains in hw/pci/virtio/virtio.c in ACRN versions prior to 2.5. No detailed vulnerability details are provided at this time...

ACRN 代码问题漏洞

ACRN is an open source project released by the Linux Foundation, a hypervisor designed for IoT and embedded devices. A null pointer dereference vulnerability exists in virtionetpingrxq in devicemodel/hw/pci/virtio/virtionet.c in versions prior to ACRN 2.5. No details of the vulnerability are...

ACRN 资源管理错误漏洞

ACRN is an open source project released by the Linux Foundation, which is a hypervisor designed for IoT and embedded devices. A post-release reuse vulnerability exists in the polling timer handler in ACRN related to devicemodel/hw/pci/virtio/.c. The vulnerability is not known. No detailed...

ACRN 代码问题漏洞

ACRN is an open source project released by the Linux Foundation, which is a hypervisor designed for IoT and embedded devices. A null pointer dereference vulnerability exists in devicemodel/hw/pci/xhci.c in versions prior to ACRN 2.5. No details of the vulnerability are provided at this time...

ACRN 安全漏洞

ACRN is an open source project released by the Linux Foundation, a hypervisor designed for IoT and embedded devices. An irteallocbitmap buffer overflow vulnerability exists in dmarfreeirte in hypervisor/arch/x86/vtd.c in versions prior to ACRN 2.5. No detailed vulnerability details are provided a...

CVE-2021-28693

xen/arm: Boot modules are not scrubbed The bootloader will load boot modules e.g. kernel, initramfs... in a temporary area before they are copied by Xen to each domain memory. To ensure sensitive data is not leaked from the modules, Xen must "scrub" them before handing the page over to the...

CVE-2021-28692

inappropriate x86 IOMMU timeout detection / handling IOMMUs process commands issued to them in parallel with the operation of the CPUs issuing such commands. In the current implementation in Xen, asynchronous notification of the completion of such commands is not used. Instead, the issuing CPU...

CVE-2021-28690

x86: TSX Async Abort protections not restored after S3 This issue relates to the TSX Async Abort speculative security vulnerability. Please see https://xenbits.xen.org/xsa/advisory-305.html for details. Mitigating TAA by disabling TSX the default and preferred option requires selecting a...