IBM PowerVM Hypervisor 安全漏洞

IBM PowerVM Hypervisor is an application from Universal Business Machines IBM, Inc. provides a secure and scalable virtualization environment for applications that are built on the advanced RAS capabilities and leading performance of the Power Systems platform.A security vulnerability exists in I...

CVE-2021-38923

IBM PowerVM Hypervisor FW1010 could allow a privileged user to gain access to another VM due to assigning duplicate WWPNs. IBM X-Force ID: 210162...

Security Bulletin: The PowerVM hypervisor can assign duplicate WWPN's to virtual fiber channel adapters in peer VMs

Summary In some cases the PowerVM hypervisor can assign duplicate WWPN's to virtual fiber channel adapters in peer VMs after a specific series of service actions are performed Vulnerability Details CVEID: CVE-2021-38923 DESCRIPTION: IBM PowerVM Hypervisor could allow a privileged user to gain...

CVE-2021-29795

IBM PowerVM Hypervisor FW860, FW930, FW940, and FW950 could allow a local user to create a specially crafted sequence of hypervisor calls from a partition that could crash the system. IBM X-Force ID: 203557...

Security Bulletin: The PowerVM hypervisor is vulnerable to a specially crafted sequence of hypervisor calls from a partition that can lead to a system crash

Summary An attacker that gains total control of a virtual machine running on the PowerVM hypervisor could issue a specially crafted sequence of hypervisor calls that will lead to a system crash and and an outage of all virtual machines running on the same system Vulnerability Details CVEID:...

kernel: powerpc: RTAS calls can be used to compromise kernel integrity

A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down usually due to Secure Boot guest system running on top of PowerVM or KVM hypervisors pseries platform a root like local user could use this flaw to further increase their privileges to...