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Vulnerability record · CVE-2017-13715 · published 29 August 2017

CVE-2017-13715: Linux kernel vulnerability

Linux · Linux Kernel

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.

9.8 CVSS 3.1 Critical EPSS 9.7% · top 4.7% CWE-665 · CWE-665
9.8CVSS 3.1 base score, v2 10.0
9.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6e544b0a88b53114bfa5a57e21b7be7a8dfc9d0 Issue TrackingPatchVendor Advisory
http://seclists.org/oss-sec/2017/q3/345 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/100517 Third Party AdvisoryVDB Entry
https://github.com/torvalds/linux/commit/a6e544b0a88b53114bfa5a57e21b7be7a8dfc9d0 Issue TrackingPatchThird Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6e544b0a88b53114bfa5a57e21b7be7a8dfc9d0 Issue TrackingPatchVendor Advisory
http://seclists.org/oss-sec/2017/q3/345 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/100517 Third Party AdvisoryVDB Entry
https://github.com/torvalds/linux/commit/a6e544b0a88b53114bfa5a57e21b7be7a8dfc9d0 Issue TrackingPatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-13715), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.