Vulnerability Monitor

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CVE-2015-5307

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 #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.

Security Impact Summary

CVE-2015-5307 is a security vulnerability that . Impacting 5 products from linux, from xen, from oracle and 2 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-11-16T11:59:05.070

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.9 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel ≤ 4.2.3 Yes
Operating System xen xen 4.3.0 Yes
Operating System xen xen 4.3.1 Yes
Operating System xen xen 4.3.2 Yes
Operating System xen xen 4.3.3 Yes
Operating System xen xen 4.3.4 Yes
Operating System xen xen 4.4.0 Yes
Operating System xen xen 4.4.1 Yes
Operating System xen xen 4.4.2 Yes
Operating System xen xen 4.4.3 Yes
Operating System xen xen 4.4.4 Yes
Operating System xen xen 4.5.0 Yes
Operating System xen xen 4.5.1 Yes
Operating System xen xen 4.5.2 Yes
Operating System xen xen 4.5.3 Yes
Operating System xen xen 4.5.5 Yes
Operating System xen xen 4.6.0 Yes
Operating System xen xen 4.6.1 Yes
Operating System xen xen 4.6.2 Yes
Operating System xen xen 4.6.3 Yes
Operating System xen xen 4.6.4 Yes
Operating System xen xen 4.6.5 Yes
Operating System xen xen 4.6.6 Yes
Application oracle vm_virtualbox ≤ 4.0.34 Yes
Application oracle vm_virtualbox ≤ 4.1.42 Yes
Application oracle vm_virtualbox ≤ 4.2.34 Yes
Application oracle vm_virtualbox ≤ 4.3.29 Yes
Application oracle vm_virtualbox ≤ 5.0.8 Yes
Operating System debian debian_linux 7.0 Yes
Operating System debian debian_linux 8.0 Yes
Operating System canonical ubuntu_linux 12.04 Yes
Operating System canonical ubuntu_linux 14.04 Yes
Operating System canonical ubuntu_linux 15.10 Yes
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.