CVE-2016-2070

High

The tcp_cwnd_reduction function in net/ipv4/tcp_input.c in the Linux kernel before 4.3.5 allows remote attackers to cause a denial of service (divide-by-zero error and system crash) via crafted TCP traffic.

Package Linux Kernel
Published 2016-05-02
Last modified 2026-05-06
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

7.5

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-189

CVE-2016-2070 is classified as CWE-189

See CWE-189 on MITRE CWE for full details on this weakness type.

References

5 total

Frequently asked questions

  • What is CVE-2016-2070?

    CVE-2016-2070 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 . CVE-2016-2070 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2016-2070?

    CVE-2016-2070 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2016-2070?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2016-2070 patch availability.

  • Is CVE-2016-2070 actively exploited?

    No. CVE-2016-2070 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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