National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-9083 Detail

Description

drivers/vfio/pci/vfio_pci.c in the Linux kernel through 4.8.11 allows local users to bypass integer overflow checks, and cause a denial of service (memory corruption) or have unspecified other impact, by leveraging access to a vfio PCI device file for a VFIO_DEVICE_SET_IRQS ioctl call, aka a "state machine confusion bug."

Source:  MITRE
Description Last Modified:  11/27/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
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): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

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=05692d7005a364add85c6e25a6c4447ce08f913a Issue Tracking Patch Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-0386.html
http://rhn.redhat.com/errata/RHSA-2017-0387.html
http://www.openwall.com/lists/oss-security/2016/10/26/11 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/93929 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1389258 Issue Tracking
https://github.com/torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913a Issue Tracking Patch Third Party Advisory
https://patchwork.kernel.org/patch/9373631/ Patch

Technical Details

Vulnerability Type (View All)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9083
NVD Published Date:
11/27/2016
NVD Last Modified:
01/04/2018