CVE-2021-26340

A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer TLB resulting in unexpected behavior inside the virtual machine VM...

CVE-2021-26340

CVE-2021-26340 is a published vulnerability affecting AMD SEV/SEV-ES environments. A malicious hypervisor with an unprivileged attacker process inside a guest VM may fail to flush the TLB, causing unexpected VM behavior and potential loss of integrity and confidentiality. Affected products includ...

CVE-2021-38937

IBM PowerVM Hypervisor FW940, FW950, and FW1010 could allow an authenticated user to cause the system to crash using a specially crafted IBMi Hypervisor call. IBM X-Force ID: 210894...

CVE-2021-38937

IBM PowerVM Hypervisor FW940, FW950, and FW1010 could allow an authenticated user to cause the system to crash using a specially crafted IBMi Hypervisor call. IBM X-Force ID: 210894...

CVE-2021-38917

IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018...

CVE-2021-38917

IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018...

Code injection

IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018...

Design/Logic Flaw

IBM PowerVM Hypervisor FW940, FW950, and FW1010 could allow an authenticated user to cause the system to crash using a specially crafted IBMi Hypervisor call. IBM X-Force ID: 210894...

CVE-2021-38937

IBM PowerVM Hypervisor FW940, FW950, and FW1010 could allow an authenticated user to cause the system to crash using a specially crafted IBMi Hypervisor call. IBM X-Force ID: 210894...

CVE-2021-38937

IBM PowerVM Hypervisor CVE-2021-38937 affects FW940, FW950, and FW1010. An authenticated user can trigger a specially crafted IBMi Hypervisor call to crash the system. Remediation is to upgrade to FW940.50(940_095), FW950.30(950_092), FW1010.01(1010_69) or newer. Affected Power VM Hypervisor vers...

CVE-2021-38917

IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018...

CVE-2021-38917

IBM PowerVM Hypervisor FW860, FW940, and FW950 are vulnerable to an access-control flaw that allows an attacker who gains service access to the FSP to read and write arbitrary host memory via crafted service procedures. Impact: high confidentiality and integrity, no availability impact. Affected ...

Security Bulletin: The PowerVM hypervisor can violate the isolation between peer VMs in certain scenarios

Summary A specific sequence of VM management operations from the management console HMC, Novalink, or PowerVC can lead to a violation of the isolation between peer VMs. Vulnerability Details CVEID: CVE-2021-38918 DESCRIPTION: IBM PowerVM Hypervisor through a specific sequence of VM management...

PT-2021-22327

Name of the Vulnerable Software and Affected Versions IBM PowerVM Hypervisor versions FW940 through FW1010 Description The issue allows an authenticated user to cause the system to crash using a specially crafted IBMi Hypervisor call. Recommendations For IBM PowerVM Hypervisor versions FW940...

PT-2021-17016

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned. Description A malicious hypervisor, in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM, may fail to flush the Translation Lookaside Buffer TLB, resulting in...

AMD EPYC Embedded Processors 安全漏洞

AMD EPYC is an x86 server microprocessor product line from AMD, known as "Xiao Long" in Chinese, utilizing the Zen microarchitecture. A security vulnerability exists in AMD EPYC Embedded Processors, where an unprivileged process executed by a malicious hypervisor in a VM could maliciously take...

CVE-2021-26340: Undefined Security Weakness

A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer TLB resulting in unexpected behavior inside the virtual machine VM...

PT-2021-22321

Name of the Vulnerable Software and Affected Versions IBM PowerVM Hypervisor versions FW860, FW940, and FW950 Description The issue allows an attacker with service access to the FSP to read and write arbitrary host system memory through a series of carefully crafted service procedures...

CVE-2021-38937: Undefined Security Weakness

IBM PowerVM Hypervisor FW940, FW950, and FW1010 could allow an authenticated user to cause the system to crash using a specially crafted IBMi Hypervisor call. IBM X-Force ID: 210894...

CVE-2021-38917: Undefined Security Weakness

IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018...