CVE-2015-8104

Critical

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.

Package Linux Kernel
Published 2015-11-16
Last modified 2026-05-06
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

10.0

out of 10
Critical
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness type

CWE-399

CVE-2015-8104 is classified as CWE-399

See CWE-399 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2015-8104 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

5 patch commits total View all on NVD

Frequently asked questions

  • What is CVE-2015-8104?

    CVE-2015-8104 is a Critical severity Linux kernel vulnerability with a CVSS score of 10.0 out of 10 . CVE-2015-8104 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2015-8104?

    CVE-2015-8104 has a CVSS score of 10.0 out of 10, rated Critical severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H .

  • Is there a patch available for CVE-2015-8104?

    No patch is currently available for CVE-2015-8104. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2015-8104 actively exploited?

    No — CVE-2015-8104 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.