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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,…
- 5.4MediumCVSS base score
- 0.61%Exploitation in 30 daysEPSS · top 50% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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).
Timeline
ID reserved
By redhat
- 4 months later
· 4 months later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.4 | AV:A/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 0.61% · top 50% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Affected products
n/a
- affected n/a
References
4
- 54962 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- GLSA-201407-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [oss-security] 20130930 Xen Security Advisory 64 (CVE-2013-4356) - Memory accessible by 64-bit PV guests under live migration (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 62709 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2013-4240 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://cveledger.app/cve/CVE-2013-4356)Record last updated .