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).
CVE-2013-4356
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 1%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 44.9%
- KEV
- Not listed
Published
October 9, 2013
Last Modified
April 29, 2026
References (8)
- secalert@redhathttp://secunia.com/advisories/54962
- secalert@redhathttp://security.gentoo.org/glsa/glsa-201407-03.xml
- secalert@redhathttp://www.openwall.com/lists/oss-security/2013/09/30/2
- secalert@redhathttp://www.securityfocus.com/bid/62709
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/54962
- af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-201407-03.xml
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/09/30/2
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/62709
Data Freshness Timeline
(refreshed 8× in last 7d / 38× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-05 05:51 UTCOSV refresh
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- 2026-06-16 16:44 UTCOSV refresh
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- 2026-05-29 13:41 UTCEPSS rescore
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- 2026-05-28 22:07 UTCEG score recompute
- 2026-05-28 22:07 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
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Frequently asked(4)
What is CVE-2013-4356?
CVE-2013-4356 is a none vulnerability published on October 9, 2013. 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).
When was CVE-2013-4356 disclosed?
CVE-2013-4356 was first published in the National Vulnerability Database on October 9, 2013, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2013-4356 actively exploited?
CVE-2013-4356 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 44.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2013-4356?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-4356, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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