CVE-2017-15119
MEDIUMQEMU < 2.11.0 - Denial of Service via Large NBD Option Requests
Title source: llmDescription
The Network Block Device (NBD) server in Quick Emulator (QEMU) before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from serving other requests, resulting in DoS.
References (8)
Core 8
Core References
Mailing List, Third Party Advisory x_refsource_misc
https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg05044.html
Mailing List, Patch, Third Party Advisory x_refsource_misc
http://www.openwall.com/lists/oss-security/2017/11/28/9
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/102011
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4213
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15119
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1104
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1113
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3575-1/
Scores
CVSS v3
5.8
EPSS
0.0156
EPSS Percentile
81.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Details
CWE
CWE-400
Status
published
Products (6)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
17.10
debian/debian_linux
9.0
qemu/qemu
< 2.11.0
redhat/virtualization
4.0
Published
Jul 27, 2018
Tracked Since
Feb 18, 2026