CVE-2020-10761

Summary

CVECVE-2020-10761
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-06-09 13:15:00 UTC
Updated2023-11-07 03:14:00 UTC
DescriptionAn assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service.

Risk And Classification

Problem Types: CWE-617

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 20.04 All All All
Operating System Opensuse Leap 15.2 All All All
Application Qemu Qemu All All All All
Application Qemu Qemu All All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All

References

ReferenceSourceLinkTags
CVE-2020-10761 QEMU Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
1843707 – (CVE-2020-10761) CVE-2020-10761 QEMU: nbd: reachable assertion failure in nbd_negotiate_send_rep_verr via remote client CONFIRM bugzilla.redhat.com Issue Tracking, Third Party Advisory
QEMU: Multiple vulnerabilities (GLSA 202011-09) — Gentoo security GENTOO security.gentoo.org
USN-4467-1: QEMU vulnerabilities | Ubuntu security notices | Ubuntu UBUNTU usn.ubuntu.com
[security-announce] openSUSE-SU-2020:1108-1: important: Security update SUSE lists.opensuse.org
oss-security - CVE-2020-10761 QEMU: nbd: reachable assertion failure innbd_negotiate_send_rep_verr via remote client MISC www.openwall.com Mailing List, Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 900187 CBL-Mariner Linux Security Update for qemu-kvm 4.2.0
  • 903242 Common Base Linux Mariner (CBL-Mariner) Security Update for qemu-kvm (1954)
© 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