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CVE-2016-3961

Good to know:

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Date: April 15, 2016

Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.

Language: C

Severity Score

Related Resources (19)

http://www.ubuntu.com/usn/USN-3006-1
http://www.ubuntu.com/usn/USN-3005-1
http://www.ubuntu.com/usn/USN-3004-1
https://nvd.nist.gov/vuln/detail/CVE-2016-3961
http://www.ubuntu.com/usn/USN-3003-1
http://www.debian.org/security/2016/dsa-3607
http://www.ubuntu.com/usn/USN-3002-1
http://www.ubuntu.com/usn/USN-3001-1
http://xenbits.xen.org/xsa/xsa174.patch
http://www.securitytracker.com/id/1035569
https://security-tracker.debian.org/tracker/CVE-2016-3961
https://access.redhat.com/security/cve/CVE-2016-3961
http://www.ubuntu.com/usn/USN-3050-1
http://www.securityfocus.com/bid/86068
http://xenbits.xen.org/xsa/advisory-174.html
http://www.ubuntu.com/usn/USN-3049-1
http://www.ubuntu.com/usn/USN-3007-1
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-3961
https://www.mend.io/vulnerability-database/CVE-2016-3961

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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CVSS v3.1

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

CVSS v2

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

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