CVE ID:	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.
Test IDs:	1.3.6.1.4.1.25623.1.0.892843
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-22543 FEDORA-2021-95f2f1cfc7 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ROQIXQB7ZAWI3KSGSHR6H5RDUWZI775S/ FEDORA-2021-fe826f202e https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4G5YBUVEPHZYXMKNGBZ3S6INFCTEEL4E/ [debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html [debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html [oss-security] 20210626 Re: CVE-2021-22543 - /dev/kvm LPE http://www.openwall.com/lists/oss-security/2021/06/26/1 https://github.com/google/security-research/security/advisories/GHSA-7wq5-phmq-m584 https://github.com/google/security-research/security/advisories/GHSA-7wq5-phmq-m584 https://security.netapp.com/advisory/ntap-20210708-0002/ https://security.netapp.com/advisory/ntap-20210708-0002/