National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-9756 Detail

Current Description

arch/x86/kvm/emulate.c in the Linux kernel before 4.8.12 does not properly initialize Code Segment (CS) in certain error cases, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N (V3.0 legend)
Impact Score: 3.6
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216c0c Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12 Release Notes
http://www.openwall.com/lists/oss-security/2016/12/01/1 Mailing List Patch
http://www.securityfocus.com/bid/94615
https://bugzilla.redhat.com/show_bug.cgi?id=1400468 Issue Tracking
https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0c Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.8.11


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9756
NVD Published Date:
12/28/2016
NVD Last Modified:
01/06/2017