CVE-2013-4356

UnknownEPSS 0.61%

Last modified

CVE-2013-4356 is a vulnerability of currently unknown severity. 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).. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

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).

Metrics

EPSS Probability
0.61%

44.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
XenXen4.3.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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).
How severe is CVE-2013-4356?
Severity scoring for CVE-2013-4356 is pending analysis. The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.
How do I fix CVE-2013-4356?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-4356?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST