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CVE-2013-1919

Impact:
Moderate
Public Date:
2013-04-18
Bugzilla:
950686: CVE-2013-1919 kernel: xen: Several access permission issues with IRQs for unprivileged guests

The MITRE CVE dictionary describes this issue as:

Xen 4.2.x and 4.1.x does not properly restrict access to IRQs, which allows local stub domain clients to gain access to IRQs and cause a denial of service via vectors related to "passed-through IRQs or PCI devices."

Find out more about CVE-2013-1919 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Not vulnerable.
This issue did not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5 as it has no support for stub domains.
This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as we did not have support for Xen hypervisor.

CVSS v2 metrics

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

Base Score 4.3
Base Metrics AV:A/AC:H/Au:S/C:N/I:N/A:C
Access Vector Adjacent Network
Access Complexity High
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

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
Red Hat Enterprise Linux 6 kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected

Acknowledgements

Red Hat would like to thank the Xen for reporting this issue.