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CVE-2015-5307

UnknownEPSS 0.57%

Last modified

CVE-2015-5307 is a vulnerability of currently unknown severity. The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.

Metrics

EPSS Probability
0.57%

42.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel<= 4.2.3
XenXen4.3.0
XenXen4.3.1
XenXen4.3.2
XenXen4.3.3
XenXen4.3.4
XenXen4.4.0
XenXen4.4.1
XenXen4.4.2
XenXen4.4.3
XenXen4.4.4
XenXen4.5.0
XenXen4.5.1
XenXen4.5.2
XenXen4.5.3
XenXen4.5.5
XenXen4.6.0
XenXen4.6.1
XenXen4.6.2
XenXen4.6.3
XenXen4.6.4
XenXen4.6.5
XenXen4.6.6
OracleVm Virtualbox>= 4.0.0, <= 4.0.34
OracleVm Virtualbox>= 4.1.0, <= 4.1.42
OracleVm Virtualbox>= 4.2.0, <= 4.2.34
OracleVm Virtualbox>= 4.3.0, <= 4.3.29
OracleVm Virtualbox>= 5.0.0, <= 5.0.8
DebianDebian Linux7.0
DebianDebian Linux8.0
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux15.10

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-5307?
The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.
How severe is CVE-2015-5307?
Severity scoring for CVE-2015-5307 is pending analysis. The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.
How do I fix CVE-2015-5307?
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.

How Strix Helps

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Source: NVD / NIST