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.
References
Link | Resource |
---|---|
http://www.openwall.com/lists/oss-security/2021/06/26/1 | Mailing List |
https://github.com/google/security-research/security/advisories/GHSA-7wq5-phmq-m584 | Exploit 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 |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4G5YBUVEPHZYXMKNGBZ3S6INFCTEEL4E/ | |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ROQIXQB7ZAWI3KSGSHR6H5RDUWZI775S/ | |
https://security.netapp.com/advisory/ntap-20210708-0002/ | Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: Google
Published: 2021-05-18T00:00:00
Updated: 2024-05-15T10:21:33.485Z
Reserved: 2021-01-05T00:00:00
Link: CVE-2021-22543
JSON object: View
NVD Information
Status : Modified
Published: 2021-05-26T11:15:08.623
Modified: 2024-05-29T20:15:09.870
Link: CVE-2021-22543
JSON object: View
Redhat Information
No data.
CWE