CVE-2017-14317

MEDIUM

Xen < 4.9.0 - Denial of Service via cxenstored Double-Free Race Condition

Title source: llm

Description

A domain cleanup issue was discovered in the C xenstore daemon (aka cxenstored) in Xen through 4.9.x. When shutting down a VM with a stubdomain, a race in cxenstored may cause a double-free. The xenstored daemon may crash, resulting in a DoS of any parts of the system relying on it (including domain creation / destruction, ballooning, device changes, etc.).

References (5)

Core 5

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1039350

Patch, Vendor Advisory x_refsource_confirm

http://xenbits.xen.org/xsa/advisory-233.html

Third Party Advisory vendor-advisory x_refsource_debian

https://www.debian.org/security/2017/dsa-4050

Mailing List mailing-list x_refsource_mlist

https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/100826

Scores

CVSS v3 5.6

EPSS 0.0008

EPSS Percentile 22.5%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

Details

CWE

CWE-362

Status published

Products (1)

xen/xen < 4.9.0

Published Sep 12, 2017

Tracked Since Feb 18, 2026