CVE-2021-3638CWE-787

An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU

published March 3, 2022

CVSS
—
EPSS
0%
Percentile
36.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00429 · 36.1th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2022-03-03T00:00Z
EPSS history
Timeline
  • 03 MAR 00:00Z
    An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU
    cvelistv5