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CVE-2016-5696

Published: Aug 6, 2016Updated: May 6, 2026 Sources: CVE List NVDCWE-200
NVD MITRE
4.8CVSSMEDIUM
EPSS Score
15.9%
Top 3.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-200

Affected Products

androidgoogle
EmbeddedOS
Operating Systems / mobile-os
vm serveroracle
On-prem
Databases / relational
linux kernellinux
On-premOS
Operating Systems
n/an/a
googlecommercialUSMobile Appsaka google inc, google llc
oraclecommercialUSDatabasesaka oracle corp.
linuxoss-projectOperating Systemsaka the linux kernel

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=75ff39ccc1bd5d3c455b6822ab09e533c551f758
git.kernel.org
http://rhn.redhat.com/errata/RHSA-2016-1631.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-1632.html
rhn.redhat.com
and 29 more references View all →

Timeline

Published
Aug 6, 2016
Last Updated
May 6, 2026

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