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CVE-2016-9083

22
FAUCET Score

CVE-2016-9083 is a local privilege escalation vulnerability in the Linux kernel (through version 4.8.11) affecting the vfio_pci.c driver. This flaw allows a local attacker with access to a VFIO PCI device file to bypass integer overflow checks via a VFIO_DEVICE_SET_IRQS ioctl call, leading to memory corruption and a denial of service, or potentially other unspecified impacts. With a CVSS v3.1 score of 7.8 (High), this vulnerability is rated as having high impact on confidentiality, integrity, and availability, requiring low attack complexity and local privileges. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.6, < 3.10.107CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.11, < 3.12.70CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.13, < 3.16.39CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.17, < 3.18.51CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.19, < 4.1.41CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 70th percentile among its peer group of 16,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-514.10.2.rt56.435.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-514.10.2.el7
View patch

Vendor Advisories (1)

redhatCVE-2016-9083Important

kernel: State machine confusion bug in vfio driver leading to memory corruption

Oct 12, 2016

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
Issue TrackingPatchVendor Advisory
rhn.redhat.com / errata/RHSA-2017-0386.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2017-0387.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue Tracking
github.com / torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913a
Issue TrackingPatchThird Party Advisory
patchwork.kernel.org / patch/9373631
PatchVendor Advisory
openwall.com / lists/oss-security/2016/10/26/11
Mailing ListThird Party Advisory
securityfocus.com / bid/93929
Third Party AdvisoryVDB Entry