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CVE-2013-4355

UnknownEPSS 0.31%

Last modified

CVE-2013-4355 is a vulnerability of currently unknown severity. Xen 4.3.x and earlier does not properly handle certain errors, which allows local HVM guests to obtain hypervisor stack memory via a (1) port or (2) memory mapped I/O write or (3) other unspecified operations related to addresses without associated memory.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

Xen 4.3.x and earlier does not properly handle certain errors, which allows local HVM guests to obtain hypervisor stack memory via a (1) port or (2) memory mapped I/O write or (3) other unspecified operations related to addresses without associated memory.

Metrics

EPSS Probability
0.31%

22.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
XenXen<= 4.3.0
XenXen3.0.2
XenXen3.0.3
XenXen3.0.4
XenXen3.1.3
XenXen3.1.4
XenXen3.2.0
XenXen3.2.1
XenXen3.2.2
XenXen3.2.3
XenXen3.3.0
XenXen3.3.1
XenXen3.3.2
XenXen3.4.0
XenXen3.4.1
XenXen3.4.2
XenXen3.4.3
XenXen3.4.4
XenXen4.0.0
XenXen4.0.1
XenXen4.0.2
XenXen4.0.3
XenXen4.0.4
XenXen4.1.0
XenXen4.1.1
XenXen4.1.2
XenXen4.1.3
XenXen4.1.4
XenXen4.1.5
XenXen4.2.0
XenXen4.2.1
XenXen4.2.2
XenXen4.2.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-4355?
Xen 4.3.x and earlier does not properly handle certain errors, which allows local HVM guests to obtain hypervisor stack memory via a (1) port or (2) memory mapped I/O write or (3) other unspecified operations related to addresses without associated memory.
How severe is CVE-2013-4355?
Severity scoring for CVE-2013-4355 is pending analysis. The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2013-4355?
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.

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Source: NVD / NIST