VDB
DEBIAN-CVE-2021-3638
DEBIAN-CVE-2021-3638
PUBLISHED
CVSS 6.5 MEDIUM
An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | qemu | 0, 0, 0 |
| Debian:14 | qemu | 0, 0, 0 |
| Debian:13 | qemu | 0, 0, 0 |
| Debian:11 | qemu | 1:5.2+dfsg-11, 0, 1:5.2+dfsg-11 |
Timeline
- Mar 3, 2022 CVE Published
- Apr 28, 2026 CVE Updated