CVE-2017-9524

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

The qemu-nbd server in QEMU (aka Quick Emulator), when built with the Network Block Device (NBD) Server support, allows remote attackers to cause a denial of service (segmentation fault and server crash) by leveraging failure to ensure that all initialization occurs before talking to a client in the nbd_negotiate function.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.debian.org/security/2017/dsa-3925Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/06/12/1Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/99011Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1681Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1682Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg06240.htmlPatch, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-06/msg02321.htmlPatch, Third Party Advisory
http://www.debian.org/security/2017/dsa-3925Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/06/12/1Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/99011Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1681Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1682Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg06240.htmlPatch, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-06/msg02321.htmlPatch, Third Party Advisory

Timeline

Published: Jul 6, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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