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CVE-2017-10916

UnknownEPSS 1.35%

Last modified

CVE-2017-10916 is a vulnerability of currently unknown severity. The vCPU context-switch implementation in Xen through 4.8.x improperly interacts with the Memory Protection Extensions (MPX) and Protection Key (PKU) features, which makes it easier for guest OS users to defeat ASLR and other protection mechanisms, aka XSA-220.. EPSS estimates a 1.35% chance of exploitation in the next 30 days.

Description

The vCPU context-switch implementation in Xen through 4.8.x improperly interacts with the Memory Protection Extensions (MPX) and Protection Key (PKU) features, which makes it easier for guest OS users to defeat ASLR and other protection mechanisms, aka XSA-220.

Metrics

EPSS Probability
1.35%

67.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
XenXen4.5.0
XenXen4.5.1
XenXen4.5.2
XenXen4.5.3
XenXen4.5.5
XenXen4.6.0
XenXen4.6.1
XenXen4.6.2
XenXen4.6.4
XenXen4.6.5
XenXen4.7.1
XenXen4.8.0
XenXen4.8.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-10916?
The vCPU context-switch implementation in Xen through 4.8.x improperly interacts with the Memory Protection Extensions (MPX) and Protection Key (PKU) features, which makes it easier for guest OS users to defeat ASLR and other protection mechanisms, aka XSA-220.
How severe is CVE-2017-10916?
Severity scoring for CVE-2017-10916 is pending analysis. The EPSS model estimates a 1.35% probability of exploitation in the next 30 days.
How do I fix CVE-2017-10916?
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-2017-10916?

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

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Source: NVD / NIST