CVE-2021-20255

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2021-20255
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-09 20:15:00 UTC
Updated2022-08-05 17:52:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-674

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 9.0 All All All
Application Qemu Qemu All All All All

References

ReferenceSourceLinkTags
1930646 – (CVE-2021-20255) CVE-2021-20255 QEMU: net: eepro100: stack overflow via infinite recursion MISC bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
CVE-2021-20255 QEMU Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
oss-security - CVE-2021-20255 QEMU: net: eepro100: stack overflow via infiniterecursion MISC www.openwall.com Mailing List, Patch, Third Party Advisory
[SECURITY] [DLA 2623-1] qemu security update MLIST lists.debian.org
sciebo MISC ruhr-uni-bochum.sciebo.de Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 178540 Debian Security Update for qemu (DLA 2623-1)
  • 501908 Alpine Linux Security Update for qemu
  • 502354 Alpine Linux Security Update for qemu
  • 750995 SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2021:2813-1)
  • 751013 OpenSUSE Security Update for qemu (openSUSE-SU-2021:2789-1)
  • 751053 OpenSUSE Security Update for qemu (openSUSE-SU-2021:1202-1)
  • 751068 OpenSUSE Security Update for qemu (openSUSE-SU-2021:2858-1)
  • 751083 SUSE Enterprise Linux Security Update for xen (SUSE-SU-2021:2924-1)
  • 751087 SUSE Enterprise Linux Security Update for xen (SUSE-SU-2021:2955-1)
  • 751103 SUSE Enterprise Linux Security Update for xen (SUSE-SU-2021:2957-1)
  • 751322 SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2021:3614-1)
  • 751323 SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2021:3613-1)
  • 751330 OpenSUSE Security Update for qemu (openSUSE-SU-2021:3614-1)
  • 751338 SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2021:3635-1)
  • 900236 CBL-Mariner Linux Security Update for qemu-kvm 4.2.0
  • 901220 Common Base Linux Mariner (CBL-Mariner) Security Update for qemu (6829)
  • 902108 Common Base Linux Mariner (CBL-Mariner) Security Update for qemu (6829-1)
  • 903601 Common Base Linux Mariner (CBL-Mariner) Security Update for qemu-kvm (3965)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report