CVE-2016-7094

Impact:
Moderate
Public Date:
2016-09-08
IAVA:
2016-B-0140
Bugzilla:
1370332: CVE-2016-7094 xen: x86 HVM: Overflow of sh_ctxt->seg_reg[]

The MITRE CVE dictionary describes this issue as:

Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.

Find out more about CVE-2016-7094 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 3.5
Base Metrics AV:N/AC:M/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

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

CVSS3 Base Score 6.3
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality None
Integrity Impact None
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 Will not fix

Acknowledgements

Red Hat would like to thank the Xen project for reporting this issue. Upstream acknowledges Andrew Cooper (Citrix) as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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