Medium Severity

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

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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

CVE(s): CVE-2021-29795

Affected product(s) and affected version(s):

Affected Product(s) Version(s)
PowerVM Hypervisor FW860
PowerVM Hypervisor FW930
PowerVM Hypervisor FW940
PowerVM Hypervisor FW950

Refer to the following reference URLs for remediation and additional vulnerability details:  
Source Bulletin: https://www.ibm.com/support/pages/node/6490877
X-Force Database: https://exchange.xforce.ibmcloud.com/vulnerabilities/203557

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