CVE-2015-6654

Impact:
Low
Public Date:
2015-09-01
Bugzilla:
1256399: CVE-2015-6654 xen: printk is not rate-limited in xenmem_add_to_physmap_one

The MITRE CVE dictionary describes this issue as:

The xenmem_add_to_physmap_one function in arch/arm/mm.c in Xen 4.5.x, 4.4.x, and earlier does not limit the number of printk console messages when reporting a failure to retrieve a reference on a foreign page, which allows remote domains to cause a denial of service by leveraging permissions to map the memory of a foreign guest.

Find out more about CVE-2015-6654 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Not vulnerable.

This issue does not affect the Xen hypervisor packages as shipped with Red Hat Enterprise Linux 5.

This issue does not affect Red Hat Enterprise Linux 6, 7 or any other Red Hat supported product because of the lack of Xen hypervisor support.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 2.3
Base Metrics AV:A/AC:M/Au:S/C:N/I:N/A:P
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 kernel-xen Not affected

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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