CVE-2021-22543

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.

Link	Resource
https://github.com/google/security-research/security/advisories/GHSA-7wq5-phmq-m584	Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/06/26/1	Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ROQIXQB7ZAWI3KSGSHR6H5RDUWZI775S/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4G5YBUVEPHZYXMKNGBZ3S6INFCTEEL4E/	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210708-0002/	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html	Mailing List Third Party Advisory

Configuration 1

cpe:2.3:o:linux:linux_kernel:2021-05-18:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*

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Published : 2021-05-26 11:15

Updated : 2022-04-01 06:45

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NVD link : CVE-2021-22543

Mitre link : CVE-2021-22543

Baseboard Management Controller H700e Firmware

Netapp

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer