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Vulnerability record · CVE-2015-8104 · published 16 November 2015

CVE-2015-8104: Xen vulnerability

Xen · Xen

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.

10.0 CVSS 3.1 Critical EPSS 2.5% · top 15.9% CWE-399 · CWE-399
10.0CVSS 3.1 base score, v2 4.7
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
86References
17 Jun 2026Last modified by NVD

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/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cbdb967af3d54993f5814f1cee0ed311a055377d Issue TrackingPatchVendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172187.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172300.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2636.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2645.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0046.html Third Party Advisory
http://support.citrix.com/article/CTX202583 Third Party Advisory
http://support.citrix.com/article/CTX203879 Third Party Advisory
http://www.debian.org/security/2015/dsa-3414 Third Party Advisory
http://www.debian.org/security/2015/dsa-3426 Third Party Advisory
http://www.debian.org/security/2016/dsa-3454 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/11/10/5 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/10/4
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html PatchThird Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html PatchThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Third Party Advisory
http://www.securityfocus.com/bid/77524 Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/91787 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1034105 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2840-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2841-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2841-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2842-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2842-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2843-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2843-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2844-1 Third Party Advisory
http://xenbits.xen.org/xsa/advisory-156.html PatchVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2015-8104), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.