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CVE-2015-4104

UnknownEPSS 3.43%

Last modified

CVE-2015-4104 is a vulnerability of currently unknown severity. Xen 3.3.x through 4.5.x does not properly restrict access to PCI MSI mask bits, which allows local x86 HVM guest users to cause a denial of service (unexpected interrupt and host crash) via unspecified vectors.. EPSS estimates a 3.43% chance of exploitation in the next 30 days.

Description

Xen 3.3.x through 4.5.x does not properly restrict access to PCI MSI mask bits, which allows local x86 HVM guest users to cause a denial of service (unexpected interrupt and host crash) via unspecified vectors.

Metrics

EPSS Probability
3.43%

87.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
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
XenXen4.1.6.1
XenXen4.2.0
XenXen4.2.1
XenXen4.2.2
XenXen4.2.3
XenXen4.3.0
XenXen4.3.1
XenXen4.3.2
XenXen4.3.4
XenXen4.4.0
XenXen4.4.1
XenXen4.5.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-4104?
Xen 3.3.x through 4.5.x does not properly restrict access to PCI MSI mask bits, which allows local x86 HVM guest users to cause a denial of service (unexpected interrupt and host crash) via unspecified vectors.
How severe is CVE-2015-4104?
Severity scoring for CVE-2015-4104 is pending analysis. The EPSS model estimates a 3.43% probability of exploitation in the next 30 days.
How do I fix CVE-2015-4104?
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-2015-4104?

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

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Source: NVD / NIST