Input validation

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine VM memory integrity...

UBUNTU-CVE-2023-20592

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine VM memory integrity...

Design/Logic Flaw

A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integrity...

CVE-2023-20592

CVE-2023-20592 covers AMD CPUs where improper behavior of the INVD instruction could let a malicious hypervisor affect cache line write-back and potentially compromise guest VM memory integrity. Public documents in the connected set describe the issue across multiple IBM Power HMC/LINUX-firmware ...

CVE-2023-20592

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine VM memory integrity...

CVE-2023-20592

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine VM memory integrity...

CVE-2023-20519

A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integrity...

CVE-2023-20519

A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integrity...

CVE-2023-20519

CVE-2023-20519 describes a Use-After-Free in the management of an SNP guest context page, which could let a malicious hypervisor masquerade as the guest’s migration agent and potentially lead to loss of guest integrity. Connected sources (SUSE kernel-firmware advisories) reference this CVE among ...

kernel: HID: hyperv: avoid struct memcpy overrun warning

A compiler warning issue was found in the Linux kernel's Hyper-V HID driver that could lead to potential memory safety issues. A local user can trigger this issue when the fortified memcpy implementation detects potential buffer overflows in the mousevsconreceive function, where the compiler cann...

PT-2023-7412 · Amd +7 · Amd Cpus +7

Name of the Vulnerable Software and Affected Versions: AMD CPUs affected versions not specified Description: The issue concerns improper or unexpected behavior of the INVD instruction in some AMD CPUs, potentially allowing an attacker with a malicious hypervisor to affect cache line write-back...

CVE-2023-20592

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine VM memory integrity...

Driver Disk for Microsemi smartpqi 2.1.26_030 - For Citrix Hypervisor 8.2 Cumulative Update 1 LTSR

Who should install this driver disk? Customers running the Citrix Hypervisor 8.2 Cumulative Update 1 LTSR release who use Microsemi's smartpqi driver and wish to use the latest version of the following: Driver Module| Driver Type| Version ---|---|--- smartpqi| SAS/Storage Controller| 2.1.26030...

AMD CPU 安全漏洞

AMD CPUs are a family of CPUs from AMD. The AMD CPUs suffer from an improper instruction vulnerability that stems from the fact that incorrect or unexpected behavior of the INVD instruction would allow an attacker with a malicious hypervisor to affect the cache line write-back behavior of the CPU...

AMD EPYC Resource Management Error Vulnerability

AMD EPYC is a line of x86 architecture server microprocessors from AMD, known in Chinese as "霄龙", utilizing the Zen microarchitecture. A security vulnerability exists in AMD EPYC, which stems from a post-release reuse vulnerability in the SNP Client Environment Page Manager that could allow a...

kernel: KVM: VMX: Fix crash due to uninitialized current_vmcs

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and 'Enlightened MSR Bitmap' when running as a nested hypervisor on top of Hyper-V. When MSR bitmap is updated, evmcstouchmsrbitmap function uses...

kernel: KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Fix eventfd error handling in kvmxeneventfdassign Should not call eventfdctxput in case of error. Introduce new goto target instead. - Paolo...

AZL-42736 CVE-2023-5678 affecting package cloud-hypervisor-cvm for versions less than 38.0.72.2-1

Issue summary: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow. Impact summary: Applications that use the functions DHgeneratekey to generate an X9.42 DH key may experience long delays. Likewise, applications that use...

AZL-42685 CVE-2023-5678 affecting package cloud-hypervisor-cvm for versions less than 38.0.72.2-1

Issue summary: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow. Impact summary: Applications that use the functions DHgeneratekey to generate an X9.42 DH key may experience long delays. Likewise, applications that use...

How to Back Up Virtual Machine Metadata to a USB Device

When migrating a set of Virtual Machines VMs from one XenServer host or pool to another, it is necessary to back up and then restore the Virtual Machine Metadata. It is recommended that the Virtual Machine Metadata be stored on the same Storage Repository as the Virtual Machines. But, it is also...