3.3
CVSSv3

CVE-2020-11869

Published: 27/04/2020 Updated: 07/11/2023
CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 3.3 | Impact Score: 1.4 | Exploitability Score: 1.8
VMScore: 187
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

An integer overflow was found in QEMU 4.0.1 up to and including 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.

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Vendor Advisories

Several security issues were fixed in QEMU ...

Mailing Lists

<!--X-Body-Begin--> <!--X-User-Header--> oss-sec mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> CVE-2020-11869 qemu: integer overflow in ati_2d_blt() in hw/display/ati-2dc could lead to DoS <!--X-Subject-Header-End--> <!- ...