CVE-2020-11869

LOW

QEMU 4.0.1-4.2.0 - Denial of Service via ATI VGA MMIO Write Integer Overflow

Title source: llm
STIX 2.1

Description

An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.

References (3)

Core 3
Core References
Mailing List, Patch, Third Party Advisory x_refsource_misc
http://www.openwall.com/lists/oss-security/2020/04/24/2
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4372-1/

Scores

CVSS v3 3.3
EPSS 0.0009
EPSS Percentile 25.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-190
Status published
Products (1)
qemu/qemu 4.0.1 - 4.2.0
Published Apr 27, 2020
Tracked Since Feb 18, 2026