Buffer overflow

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

CVE-2021-36148

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

CVE-2021-36148

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

PT-2021-21138

Name of the Vulnerable Software and Affected Versions: ACRN versions prior to 2.5 Description: An issue was discovered in the hypervisor component of ACRN, specifically in the dmar free irte function located in hypervisor/arch/x86/vtd.c. This issue allows an irte alloc bitmap buffer overflow...

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...

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 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 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 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...

CVE-2021-36148: Buffer Copy without Checking Size of Input

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

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...

An EPYC escape: Case-study of a KVM breakout

Posted by Felix Wilhelm, Project Zero Introduction KVM for Kernel-based Virtual Machine is the de-facto standard hypervisor for Linux-based cloud environments. Outside of Azure, almost all large-scale cloud and hosting providers are running on top of KVM, turning it into one of the fundamental...

Hotfix XS82E029 - For Citrix Hypervisor 8.2

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.2. Information About this Hotfix Component| Details ---|--- Prerequisite| None Post-update tasks| None Content live patchable| No Baselines for Live Patch| N/A Revision History| Published on Jun 28, 2021...

Citrix Releases Security Updates for Hypervisor

Citrix has released security updates to address vulnerabilities in Hypervisor. An attacker could exploit these vulnerabilities to cause a denial-of-service condition. CISA encourages users and administrators to review Citrix Security Update CTX316325 and apply the necessary updates. This product ...

Citrix Hypervisor Security Update

Two security issues have been identified in Citrix Hypervisor 8.2 LTSR, each of which may allow privileged code in a guest VM to cause the host to crash or become unresponsive. These issues only affect Citrix Hypervisor 8.2 LTSR. These issues have the following CVE identifiers: CVE-2021-3416...

Oxenstored Xen Hypervisor DoS

The vulnerability of the Oxenstored hypervisor in Xen relates to the allocation of unlimited memory. Exploiting this vulnerability can allow an attacker to cause a service failure...

Xen Hypervisor Emergency Shutdown

The vulnerability of the Xen hypervisor is caused by an uncontrolled recursion. Exploiting this vulnerability can allow an attacker to cause the application to terminate abnormally...

Xen Memory Release DoS

The vulnerability of the Xen hypervisor implementation is related to memory release errors. Exploiting this vulnerability can allow an attacker to cause a service failure by using the XSRESETWATCHES request...