Qemu · Qemu · CVE-2021-3638
**Name of the Vulnerable Software and Affected Versions**
QEMU (affected versions not specified)
**Description**
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.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.