Vulnerability Database

296,772

Total vulnerabilities in the database

CVE-2021-3638

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.

  • Published: Mar 4, 2022
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-3638
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 2.1
  • AV:L/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
qemu / qemu 4.0.0 6.1.0.x
fedoraproject / fedora 36 36.x
fedoraproject / fedora 37 37.x