CVE Vulnerabilities

CVE-2020-13800

Uncontrolled Recursion

Published: Jun 04, 2020 | Modified: Apr 28, 2022
CVSS 3.x
6
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CVSS 2.x
4.9 MEDIUM
AV:L/AC:L/Au:N/C:N/I:N/A:C
RedHat/V2
RedHat/V3
2.5 LOW
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:L
Ubuntu
LOW

ati-vga in hw/display/ati.c in QEMU 4.2.0 allows guest OS users to trigger infinite recursion via a crafted mm_index value during an ati_mm_read or ati_mm_write call.

Weakness

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

Affected Software

Name Vendor Start Version End Version
Qemu Qemu 4.2.0 (including) 4.2.0 (including)
Qemu Ubuntu eoan *
Qemu Ubuntu focal *
Qemu Ubuntu trusty *

Potential Mitigations

References