CVE-2016-5696

Medium

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.

Package Linux Kernel
Published 2016-08-06
Last modified 2026-05-06
CVSS version 3.0
Patch available
Awaiting data

CVSS 3.0 score

4.8

out of 10
Medium
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
Low
Vector string
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Weakness type

CWE-200

CVE-2016-5696 is a Information Exposure vulnerability

What is Information Exposure?

The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE

References

32 total
Showing 5 of 32 references View all on NVD

Frequently asked questions

  • What is CVE-2016-5696?

    CVE-2016-5696 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.8 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2016-5696 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2016-5696?

    CVE-2016-5696 has a CVSS score of 4.8 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L .

  • Is there a patch available for CVE-2016-5696?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2016-5696 patch availability.

  • Is CVE-2016-5696 actively exploited?

    No. CVE-2016-5696 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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