Description
A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-3099-1 | qemu security update |
EUVD |
EUVD-2020-20322 | A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0. |
Ubuntu USN |
USN-4725-1 | QEMU vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-04T16:25:42.445Z
Reserved: 2020-10-27T00:00:00.000Z
Link: CVE-2020-27821
No data.
Status : Modified
Published: 2020-12-08T22:15:18.587
Modified: 2024-11-21T05:21:52.553
Link: CVE-2020-27821
OpenCVE Enrichment
No data.
Debian DLA
EUVD
Ubuntu USN