CVEvulnerability

CVE-2020-10761

5.0 MEDIUM Published 2020-06-09 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-06-09
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.0 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
CVSS 3.1 ([email protected])
5.0 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
CVSS 2.0 ([email protected])
4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:P
Weaknesses
CWE-617

Description

An 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.

Affected configurations

• qemu qemu (< 5.0.1) • redhat enterprise linux 8.0 • opensuse leap 15.2 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • canonical ubuntu linux 20.04

Related

Weakness · CWE (1)

  • CWE-617 Reachable Assertion weakness

References