VDB
DEBIAN-CVE-2020-27821
DEBIAN-CVE-2020-27821
PUBLISHED
CVSS 6 MEDIUM
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.
Risk Scores
CVSS 3.1
6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | qemu | 0, 0, 0 |
| Debian:12 | qemu | 0, 0, 0 |
| Debian:11 | qemu | 0, 0, 0 |
| Debian:13 | qemu | 0, 0, 0 |
Timeline
- Dec 8, 2020 CVE Published
- Apr 28, 2026 CVE Updated