CVE-2017-13715
kernel: Use of uninitialized value in __skb_flow_dissect()
Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · September 1, 2015
Updated · May 13, 2026
Description
It was found that in the Linux kernel version 4.2-rc1 to 4.3-rc1, a use of uninitialized 'n_proto', 'ip_proto', and 'thoff' variables in __skb_flow_dissect() function can lead to a remote denial-of-service via malformed MPLS packet.
Statement
This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2 as the code with the flaw is not present or is already fixed in the products listed.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-456 · Missing Initialization of a Variable