CVE-2017-15596 — MEDIUM (6.0)

Vulnerability Description

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service (prevent physical CPU usage) because of lock mishandling upon detection of an add-to-physmap error.

CVSS Score

6.0

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Xen	Xen	4.4.0

Related Weaknesses (CWE)

CWE-400

References

http://www.debian.org/security/2017/dsa-3969
http://www.securitytracker.com/id/1039568Third Party AdvisoryVDB Entry
https://xenbits.xen.org/xsa/advisory-235.htmlMitigationPatchVendor Advisory
http://www.debian.org/security/2017/dsa-3969
http://www.securitytracker.com/id/1039568Third Party AdvisoryVDB Entry
https://xenbits.xen.org/xsa/advisory-235.htmlMitigationPatchVendor Advisory

FAQ

What is CVE-2017-15596?

CVE-2017-15596 is a vulnerability with a CVSS score of 6.0 (MEDIUM). An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service (prevent physical CPU usage) because of lock mishandling upon detection of an add-to-physmap...

How severe is CVE-2017-15596?

CVE-2017-15596 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-15596?

Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.