CVE-2015-8104

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.

Category

10.0
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.40%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory kernel.org Vendor Advisory xen.org Vendor Advisory redhat.com Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2015-2636.html third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html third party advisory
http://www.ubuntu.com/usn/USN-2841-2 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 mailing list third party advisory vendor advisory
https://kb.juniper.net/JSA10783 third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1278496 issue tracking vendor advisory
http://www.debian.org/security/2016/dsa-3454 third party advisory vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html third party advisory patch
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 vendor advisory
http://www.securityfocus.com/bid/77524 vdb entry third party advisory
https://github.com/torvalds/linux/commit/cbdb967af3d54993f5814f1cee0ed311a055377d issue tracking patch vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html mailing list third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html third party advisory
http://www.openwall.com/lists/oss-security/2015/11/10/5 third party advisory mailing list
http://www.ubuntu.com/usn/USN-2843-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html mailing list third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html third party advisory patch
http://www.ubuntu.com/usn/USN-2844-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2842-2 third party advisory vendor advisory
http://xenbits.xen.org/xsa/advisory-156.html patch vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2843-2 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 mailing list third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html third party advisory
http://www.ubuntu.com/usn/USN-2842-1 third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.html mailing list third party advisory vendor advisory
http://www.debian.org/security/2015/dsa-3414 third party advisory vendor advisory
http://support.citrix.com/article/CTX202583 third party advisory
http://www.securitytracker.com/id/1034105 vdb entry third party advisory
http://www.securityfocus.com/bid/91787 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2841-1 third party advisory vendor advisory
http://support.citrix.com/article/CTX203879 third party advisory
http://www.debian.org/security/2015/dsa-3426 third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cbdb967af3d54993f5814f1cee0ed311a055377d issue tracking patch vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0046.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html mailing list third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2023/10/10/4 mailing list

Frequently Asked Questions

What is the severity of CVE-2015-8104?
CVE-2015-8104 has been scored as a critical severity vulnerability.
How to fix CVE-2015-8104?
To fix CVE-2015-8104, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-8104 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-8104 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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