Home/CVE/A domain cleanup issue was discovered in the C xenstore daemon (aka cxenstored) in Xen through 4.9.x. When shutting down
CVE

CVE-2017-14317

A domain cleanup issue was discovered in the C xenstore daemon (aka cxenstored) in Xen through 4.9.x. When shutting down

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.).

MEDIUM · CVSS 5.6 EPSS 0.00075
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
▤

Affected Products & Versions

1
xen<= 4.9.0
▣

Scoring & Timeline

5.6
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Sep 2017 · 03:29 PM
CVSS VectorCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
⚑

Vendor Advisories

6
suse-csafSUSE-SU-2017:2541-1
suse-csafSUSE-SU-2017:2519-1
suse-csafSUSE-SU-2017:2611-1
suse-csafSUSE-SU-2017:2466-1
suse-csafSUSE-SU-2017:2450-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/100826Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039350Third Party AdvisoryVDB Entry
http://xenbits.xen.org/xsa/advisory-233.htmlPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
https://www.debian.org/security/2017/dsa-4050
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