CVE-2020-11869: Integer Overflow
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 ati2dblt() routine in hw/display/ati-2d.c while handling MMIO write operations through the atimmwrite() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is CVE-2020-11869?
CVE-2020-11869 is an integer overflow vulnerability found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation.
How does CVE-2020-11869 affect QEMU?
CVE-2020-11869 affects QEMU versions 4.0.1 through 4.2.0.
What is the severity of CVE-2020-11869?
The severity of CVE-2020-11869 is rated as low with a CVSS score of 3.3.
What is the impact of CVE-2020-11869?
CVE-2020-11869 could allow a malicious guest to crash the QEMU process or potentially execute arbitrary code.
How can I fix CVE-2020-11869?
To fix CVE-2020-11869, it is recommended to update QEMU to version 4.2.0 or higher, or apply the necessary patches provided by the vendor.