CVE-2021-20255

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-20255
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20255.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-20255
Downstream
Related
Published
2021-03-09T20:15:13Z
Modified
2025-08-09T20:01:27Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages