CVE-2016-7154

Impact:
Important
Public Date:
2016-09-08
IAVA:
2016-B-0140
Bugzilla:
1374476: CVE-2016-7154 xen: use after free in FIFO event channel code

The MITRE CVE dictionary describes this issue as:

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.

Find out more about CVE-2016-7154 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

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

Base Score 7.4
Base Metrics AV:A/AC:M/Au:S/C:C/I:C/A:C
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 8.4
CVSS3 Base Metrics CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector Adjacent Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Changed
Confidentiality High
Integrity Impact High
Availability Impact High

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 xen Not affected

Acknowledgements

Red Hat would like to thank the Xen project for reporting this issue. Upstream acknowledges Mikhail Gorobets (Advanced Threat Research; Intel Security) as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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