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CVE-2016-9755

20
FAUCET Score

CVE-2016-9755 describes an integer overflow and out-of-bounds write vulnerability in the netfilter subsystem of the Linux kernel, affecting versions prior to 4.9. A local attacker can exploit this flaw by crafting specific system calls related to IPv6 reassembly, leading to a denial of service (GPF) or potentially other unspecified impacts. With a CVSS v3 score of 7.8 (High), this vulnerability has a low attack complexity and requires local privileges, allowing for high impact on confidentiality, integrity, and availability. There is no known public exploit code, Metasploit modules, or significant community discussion or media coverage surrounding this CVE, indicating a low likelihood of active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.8.15CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 71st percentile among its peer group of 16,994 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Vendor Advisories (1)

redhatCVE-2016-9755Moderate

kernel: netfilter: Out-of-bounds write due to a signedness issue when defragmenting IPv6 packets

Nov 26, 2016

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
PatchVendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue Tracking
github.com / torvalds/linux/commit/9b57da0630c9fd36ed7a20fc0f98dc82cc0777fa
groups.google.com / forum
spinics.net / lists/netdev/msg407525.html
Mailing ListPatch
openwall.com / lists/oss-security/2016/12/01/10
Mailing List
securityfocus.com / bid/94626