CVE-2017-13715

The __skb_flow_dissect function in net/core/flow_dissector.c in the Linux kernel before 4.3 does...

9.8 CriticalFix available

The __skb_flow_dissect function in net/core/flow_dissector.c in the Linux kernel before 4.3 does not ensure that n_proto, ip_proto, and thoff are initialized, which allows remote attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a single crafted MPLS packet.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

9.65%Up 6.8 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2017-13715
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-665
Updated: 2026-11-02

CVE List No score

Record: CVE-2017-13715
Updated: 2026-11-02

EUVDEUVD-2017-5232 No score

Record: EUVD-2017-5232
Updated: 2026-11-03

GitHub AdvisoriesGHSA-x582-23f7-w3cc 9.8

The __skb_flow_dissect function in net/core/flow_dissector.c in the Linux kernel before 4.3 does...

Record: GHSA-x582-23f7-w3cc
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-665
Updated: 2026-11-02

OSV 9.8

Record: CVE-2017-13715
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2017-13715 9.8

Record: DEBIAN-CVE-2017-13715
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2017-13715 9.8

Record: UBUNTU-CVE-2017-13715
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

linux kernel

Affected packages

Affected packages
Package	Affected	Fixed
`linux` Debian:12	before 4.3.1-1	4.3.1-1
`linux` Debian:13	before 4.3.1-1	4.3.1-1
`linux` Debian:14	before 4.3.1-1	4.3.1-1

History

History
Recorded	Changed	Sources
Nov 3, 2026	affected
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-13715 is a critical vulnerability (CVSS 9.8) in Linux Kernel, published August 28, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.65%, the 95th percentile. Fixed in linux 4.3.1-1.