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CVE-2015-8104

Linux Kernel vulnerability

10.0 CRITICALEPSS 2.48%
  1. Published16 Nov 2015

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 #DB (aka Debug) exceptions, related to svm.c.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Oracle Vm Virtualbox≥ 4.0.0 ≤ 4.0.34 · ≥ 4.1.0 ≤ 4.1.42 · ≥ 4.2.0 ≤ 4.2.34 · ≥ 4.3.0 ≤ 4.3.35
Canonical Ubuntu Linux12.04 · 14.04 · 15.04
Debian Linux7.0 · 8.0 · 9.0
Linux Kernel≤ 4.2.3
Oracle Solaris11.3
Xen4.3.0 · 4.3.1 · 4.3.2 · 4.3.3

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

and 33 more references

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Frequently asked

Is CVE-2015-8104 being actively exploited?

CVE-2015-8104 is not in the CISA KEV catalog. Its EPSS exploit probability is 2.48%.

How severe is CVE-2015-8104?

CVE-2015-8104 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 2.48% probability of exploitation.

Which products are affected by CVE-2015-8104?

Affected products include Oracle Vm Virtualbox, Canonical Ubuntu Linux, Debian Linux, Linux Kernel, Oracle Solaris, and 1 more.

How do I fix CVE-2015-8104?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2015-8104 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.