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Vulnerability Details : CVE-2016-9083

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."
Publish Date : 2016-11-27 Last Update Date : 2018-01-04
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflowMemory corruptionBypass a restriction or similar
CWE ID 190

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2017:0386: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20170386 unix
RHSA-2017:0387: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20170387 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2016-9083

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 4.8.11 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2016-9083

http://rhn.redhat.com/errata/RHSA-2017-0387.html
REDHAT RHSA-2017:0387
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=05692d7005a364add85c6e25a6c4447ce08f913a CONFIRM
https://patchwork.kernel.org/patch/9373631/ CONFIRM
https://github.com/torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913a CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1389258 CONFIRM
http://www.securityfocus.com/bid/93929
BID 93929 Linux Kernel CVE-2016-9083 Local Integer Overflow Vulnerability Release Date:2017-06-07
http://www.openwall.com/lists/oss-security/2016/10/26/11
MLIST [oss-security] 20161027 kernel: low-severity vfio driver integer overflow
http://rhn.redhat.com/errata/RHSA-2017-0386.html
REDHAT RHSA-2017:0386

- Metasploit Modules Related To CVE-2016-9083

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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