CVE-2021-20255CWE-835

A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU

published March 9, 2021

CVSS
—
EPSS
0%
Percentile
34.2
In the wild
Unconfirmed
What it is

A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00411 · 34.2th percentile
Weakness
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')
Published
2021-03-09T19:14Z
EPSS history
Timeline
  • 09 MAR 19:14Z
    A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU
    cvelistv5