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CVE-2016-7154

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Date: September 21, 2016

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.

Language: C

Severity Score

Related Resources (11)

http://xenbits.xen.org/xsa/xsa188.patch
http://www.securitytracker.com/id/1036754
https://security-tracker.debian.org/tracker/CVE-2016-7154
http://xenbits.xen.org/xsa/advisory-188.html
https://nvd.nist.gov/vuln/detail/CVE-2016-7154
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/92863
http://www.debian.org/security/2016/dsa-3663
http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
http://support.citrix.com/article/CTX216071
https://www.mend.io/vulnerability-database/CVE-2016-7154

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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