Strix
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CVE-2012-4536

UnknownEPSS 0.42%

Last modified

CVE-2012-4536 is a vulnerability of currently unknown severity. The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.

Metrics

EPSS Probability
0.42%

33.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
XenXen2.2.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-4536?
The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.
How severe is CVE-2012-4536?
Severity scoring for CVE-2012-4536 is pending analysis. The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.
How do I fix CVE-2012-4536?
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-2012-4536?

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

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Source: NVD / NIST