CVE-2020-13791
QEMU: ati-vga: OOB access while reading PCI configuration may lead to DoS
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 3, 2020
Updated · June 28, 2026
Description
An out-of-bounds access flaw was found in the ati-vga emulator of the QEMU. The issue occurs while reading PCI configuration bytes via the ati_mm_read routine if the address sent by a guest is towards an end of the PCI configuration space. This flaw allows a guest user or process to crash the QEMU process resulting in a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 2.5CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:L
CWE-125 · Out-of-bounds Read