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CVE-2021-22543

Description

An issue was discovered in Linux: KVM through Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of memory and can result in local privilege escalation.


Affected Software


CPE Name Name Version
linux:linux_kernel linux linux kernel 2021-05-18
fedoraproject:fedora fedoraproject fedora 33
fedoraproject:fedora fedoraproject fedora 34
debian:debian_linux debian debian linux 9.0
netapp:baseboard_management_controller_h410c_firmware netapp baseboard management controller h410c firmware -
netapp:baseboard_management_controller_h300s_firmware netapp baseboard management controller h300s firmware -
netapp:baseboard_management_controller_h500s_firmware netapp baseboard management controller h500s firmware -
netapp:baseboard_management_controller_h700s_firmware netapp baseboard management controller h700s firmware -
netapp:baseboard_management_controller_h300e_firmware netapp baseboard management controller h300e firmware -
netapp:baseboard_management_controller_h500e_firmware netapp baseboard management controller h500e firmware -
netapp:baseboard_management_controller_h700e_firmware netapp baseboard management controller h700e firmware -
netapp:baseboard_management_controller_h410s_firmware netapp baseboard management controller h410s firmware -
netapp:cloud_backup netapp cloud backup -
netapp:solidfire_baseboard_management_controller_firmware netapp solidfire baseboard management controller firmware -

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