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CVE-2017-14317

Date: September 12, 2017

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.).

Language: C

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2017-14317
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
http://xenbits.xen.org/xsa/advisory-233.html
https://access.redhat.com/security/cve/CVE-2017-14317
http://www.securityfocus.com/bid/100826
http://www.securitytracker.com/id/1039350
https://www.debian.org/security/2017/dsa-4050
https://www.mend.io/vulnerability-database/CVE-2017-14317

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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