CVE-2015-8104

virt: guest to host DoS by triggering an infinite loop in microcode via #DB exception

Published Nov 16, 2015 CVSS 3.1 · 10 Critical EPSS 2.5% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-479-1 xen security update
Debian DSA Debian DSA DSA-3414-1 xen security update
Debian DSA Debian DSA DSA-3426-1 linux security update
Debian DSA Debian DSA DSA-3454-1 virtualbox security update
EUVD EUVD EUVD-2015-7996 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.
Ubuntu USN Ubuntu USN USN-2840-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2841-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2841-2 Linux kernel (Trusty HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2842-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2842-2 Linux kernel (Vivid HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2843-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2843-2 Linux kernel (Wily HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2844-1 Linux kernel (Utopic HWE) vulnerabilities
References
Link Providers
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cbdb967af3d54993f5814f1cee0ed311a055377d cve-icon cve-icon
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172187.html cve-icon cve-icon
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172300.html cve-icon cve-icon
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2015-2636.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2015-2645.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2016-0046.html cve-icon cve-icon
http://support.citrix.com/article/CTX202583 cve-icon cve-icon
http://support.citrix.com/article/CTX203879 cve-icon cve-icon
http://www.debian.org/security/2015/dsa-3414 cve-icon cve-icon
http://www.debian.org/security/2015/dsa-3426 cve-icon cve-icon
http://www.debian.org/security/2016/dsa-3454 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2015/11/10/5 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/10/10/4 cve-icon cve-icon
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html cve-icon cve-icon
http://www.securityfocus.com/bid/77524 cve-icon cve-icon
http://www.securityfocus.com/bid/91787 cve-icon cve-icon
http://www.securitytracker.com/id/1034105 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2840-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2841-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2841-2 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2842-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2842-2 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2843-1 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2843-2 cve-icon cve-icon
http://www.ubuntu.com/usn/USN-2844-1 cve-icon cve-icon
http://xenbits.xen.org/xsa/advisory-156.html cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=1278496 cve-icon cve-icon
https://github.com/torvalds/linux/commit/cbdb967af3d54993f5814f1cee0ed311a055377d cve-icon cve-icon
https://kb.juniper.net/JSA10783 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2015-8104 cve-icon
https://www.cve.org/CVERecord?id=CVE-2015-8104 cve-icon
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}