CVE-2020-10761
MEDIUMQEMU < 5.0.1 - Denial of Service via NBD Server Request Length Boundary
Title source: llmDescription
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.
References (6)
Core 6
Core References
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://www.openwall.com/lists/oss-security/2020/06/09/1
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200731-0001/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4467-1/
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202011-09
Scores
CVSS v3
5.0
EPSS
0.0084
EPSS Percentile
75.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Details
CWE
CWE-617
Status
published
Products (6)
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
20.04
opensuse/leap
15.2
qemu/qemu
< 5.0.1
redhat/enterprise_linux
8.0 (2 CPE variants)
Published
Jun 09, 2020
Tracked Since
Feb 18, 2026