CVE-2015-8104

CVE-2015-8104 is a critical-severity vulnerability in Oracle Vm Virtualbox with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

• Severity: Critical (CVSS 3.x base score 10.0)
• CVSS v2: 4.7
• EPSS exploit prediction: 3% (83rd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-399
• Affected product: Oracle Vm Virtualbox
• Published: 2015-11-16
• Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2015-8104?

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.

How severe is CVE-2015-8104?

CVE-2015-8104 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-8104 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8104?

CVE-2015-8104 primarily affects Oracle Vm Virtualbox. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-8104?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-8104 published?

CVE-2015-8104 was published on 2015-11-16 and last updated on 2026-06-17.

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cbdb967af3d54993f5814f1cee0ed311a055377d
• http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172187.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172300.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.html
• http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html
• http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html
• http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html
• http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
• http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html
• http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
• http://rhn.redhat.com/errata/RHSA-2015-2636.html
• http://rhn.redhat.com/errata/RHSA-2015-2645.html
• http://rhn.redhat.com/errata/RHSA-2016-0046.html
• http://support.citrix.com/article/CTX202583
• http://support.citrix.com/article/CTX203879
• http://www.debian.org/security/2015/dsa-3414
• http://www.debian.org/security/2015/dsa-3426
• http://www.debian.org/security/2016/dsa-3454
• http://www.openwall.com/lists/oss-security/2015/11/10/5
• http://www.openwall.com/lists/oss-security/2023/10/10/4
• http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
• http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
• http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
• http://www.securityfocus.com/bid/77524
• http://www.securityfocus.com/bid/91787

Affected products (26)

• cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.3.3:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.6.2:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.6.4:*:*:*:*:*:*:*
• cpe:2.3:o:xen:xen:4.6.5:*:*:*:*:*:*:*
• cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

• CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
• CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…
• CVE-2014-0528 — Critical (CVSS 10.0): Double free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.10 and 11.x before 11.0.07 on Windows and OS X…

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