Strix
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CVE-2012-3496

UnknownEPSS 0.42%

Last modified

CVE-2012-3496 is a vulnerability of currently unknown severity. XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.

Metrics

CVSS 3.0
/10
EPSS Probability
0.42%

33.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CitrixXenserver<= 6.0.2
XenXen4.0.0
XenXen4.1.0
XenXen4.2.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-3496?
XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.
How severe is CVE-2012-3496?
Severity scoring for CVE-2012-3496 is pending analysis. The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.
How do I fix CVE-2012-3496?
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-2012-3496?

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

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Source: NVD / NIST