CVE-2017-15119

qemu: DoS via large option request

Published Jul 27, 2018 CVSS 3.0 · 5.8 Medium EPSS 3.3% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-4213-1 qemu security update
EUVD EUVD EUVD-2017-6580 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.
Ubuntu USN Ubuntu USN USN-3575-1 QEMU vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 5, 2024, 7:50 PM
Reserved
Oct 8, 2017, 12:00 AM
Status
Modified
Published
Jul 27, 2018, 4:29 PM
Modified
Jun 17, 2026, 1:07 AM
Severity
Moderate
Public date
Nov 28, 2017, 12:00 AM