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CVE-2016-8633

20
FAUCET Score

CVE-2016-8633 is a critical vulnerability in the Linux kernel's firewire network driver (drivers/firewire/net.c) affecting versions prior to 4.8.7. This flaw allows remote attackers to execute arbitrary code through crafted fragmented packets, but only in specific and unusual hardware configurations. With a CVSS score of 6.8 (Medium), exploitation requires physical proximity (AV:P) but is low complexity (AC:L) and does not require user interaction or privileges. Despite its potential for high impact on confidentiality, integrity, and availability, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.8.6CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.8MEDIUM

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.76%
Probability of exploitation in next 30 days
EPSS Percentile
75.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0176 is in the 98th percentile among its peer group of 1,531 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-862.rt56.804.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-862.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.4 Extended Update SupportFixed in: kernel-0:3.10.0-693.47.2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-1:3.10.0-693.47.2.rt56.641.el6rt
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel

Vendor Advisories (1)

redhatCVE-2016-8633Important

kernel: Buffer overflow in firewire driver via crafted incoming packets

Nov 6, 2016

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
Issue TrackingPatchVendor Advisory
access.redhat.com / errata/RHSA-2018:0676
access.redhat.com / errata/RHSA-2018:1062
access.redhat.com / errata/RHSA-2019:1170
access.redhat.com / errata/RHSA-2019:1190
bugzilla.redhat.com / show_bug.cgi
Issue Tracking
eyalitkin.wordpress.com / 2016/11/06/cve-publication-cve-2016-8633
Third Party Advisory
github.com / torvalds/linux/commit/667121ace9dbafb368618dbabcf07901c962ddac
Issue TrackingPatchThird Party Advisory
kernel.org / pub/linux/kernel/v4.x/ChangeLog-4.8.7
Release Notes
openwall.com / lists/oss-security/2016/11/06/1
Mailing ListThird Party Advisory
securityfocus.com / bid/94149