Vulnerability Details : CVE-2013-4356
Xen 4.3.x writes hypervisor mappings to certain shadow pagetables when live migration is performed on hosts with more than 5TB of RAM, which allows local 64-bit PV guests to read or write to invalid memory and cause a denial of service (crash).
Vulnerability category: Denial of service
Products affected by CVE-2013-4356
- cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-4356
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-4356
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.4
|
MEDIUM | AV:A/AC:M/Au:N/C:P/I:P/A:P |
5.5
|
6.4
|
NIST |
CWE ids for CVE-2013-4356
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-4356
-
http://security.gentoo.org/glsa/glsa-201407-03.xml
Xen: Multiple Vunlerabilities (GLSA 201407-03) — Gentoo security
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http://www.securityfocus.com/bid/62709
Xen CVE-2013-4356 Local Memory Access Vulnerability
-
http://www.openwall.com/lists/oss-security/2013/09/30/2
oss-security - Xen Security Advisory 64 (CVE-2013-4356) - Memory accessible by 64-bit PV guests under live migration
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