CVE-2015-8104
CRITICAL severity · CVSS 10 · CWE-399
10CVSS CRITICAL
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected products we track (4)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cbdb967af3d54993f5814f1cee0ed311a055377d ↗
Additional information
- NVD record
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cbdb967af3d54993f5814f1cee0ed311a055377dPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172187.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172300.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.htmlAdvisory