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.
References (43)
Core 43
Core References
Third Party Advisory vendor-advisory
http://rhn.redhat.com/errata/RHSA-2015-2636.html
Third Party Advisory vendor-advisory
http://www.ubuntu.com/usn/USN-2841-2
Mailing List, Third Party Advisory vendor-advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172187.html
Mailing List, Third Party Advisory vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html
Third Party Advisory vendor-advisory
http://www.debian.org/security/2016/dsa-3454
Third Party Advisory vendor-advisory
http://rhn.redhat.com/errata/RHSA-2015-2645.html
Third Party Advisory vendor-advisory
http://www.ubuntu.com/usn/USN-2840-1
Third Party Advisory, VDB Entry vdb-entry
http://www.securityfocus.com/bid/77524
Mailing List, Third Party Advisory vendor-advisory
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
Mailing List, Third Party Advisory mailing-list
http://www.openwall.com/lists/oss-security/2015/11/10/5
Third Party Advisory vendor-advisory
http://www.ubuntu.com/usn/USN-2843-1
Mailing List, Third Party Advisory vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html
Third Party Advisory vendor-advisory
http://www.ubuntu.com/usn/USN-2844-1
Mailing List, Third Party Advisory vendor-advisory
http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html
Third Party Advisory vendor-advisory
http://www.ubuntu.com/usn/USN-2842-2
Mailing List, Third Party Advisory vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html
Third Party Advisory vendor-advisory
http://www.ubuntu.com/usn/USN-2843-2
Mailing List, Third Party Advisory vendor-advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172300.html
Mailing List, Third Party Advisory vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html
Mailing List, Third Party Advisory vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html
Third Party Advisory vendor-advisory
http://www.ubuntu.com/usn/USN-2842-1
Mailing List, Third Party Advisory vendor-advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.html
Third Party Advisory vendor-advisory
http://www.debian.org/security/2015/dsa-3414
Third Party Advisory, VDB Entry vdb-entry
http://www.securitytracker.com/id/1034105
Third Party Advisory, VDB Entry vdb-entry
http://www.securityfocus.com/bid/91787
Mailing List, Third Party Advisory vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
Third Party Advisory vendor-advisory
http://www.ubuntu.com/usn/USN-2841-1
Third Party Advisory vendor-advisory
http://www.debian.org/security/2015/dsa-3426
Third Party Advisory vendor-advisory
http://rhn.redhat.com/errata/RHSA-2016-0046.html
Mailing List, Third Party Advisory vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
Mailing List mailing-list
http://www.openwall.com/lists/oss-security/2023/10/10/4
Issue Tracking, Patch, Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cbdb967af3d54993f5814f1cee0ed311a055377d
Third Party Advisory
http://support.citrix.com/article/CTX202583
Third Party Advisory
http://support.citrix.com/article/CTX203879
Patch, Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
Patch, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
Third 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
Patch, Vendor Advisory
http://xenbits.xen.org/xsa/advisory-156.html
Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1278496
Issue Tracking, Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/cbdb967af3d54993f5814f1cee0ed311a055377d
Third Party Advisory
https://kb.juniper.net/JSA10783
Scores
CVSS v3
10.0
EPSS
0.0034
EPSS Percentile
56.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-399
Status
published
Products (26)
canonical/ubuntu_linux
12.04
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
15.04
debian/debian_linux
7.0
debian/debian_linux
8.0
debian/debian_linux
9.0
linux/linux_kernel
< 4.2.3
oracle/solaris
11.3
oracle/vm_virtualbox
4.0.0 - 4.0.34
xen/xen
4.3.0
... and 16 more
Published
Nov 16, 2015
Tracked Since
Feb 18, 2026