CVE-2016-9919
kernel: Linux panic on fragemented IPv6 traffic (icmp6_send)
Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · December 8, 2016
Updated · November 21, 2025
Description
The icmp6_send function in net/ipv6/icmp.c in the Linux kernel through 4.8.12 omits a certain check of the dst data structure which allows remote attackers to cause a denial of service (panic) via a fragmented IPv6 packet.
Statement
This issue does not affect the Linux kernel packages 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 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
CVSS 2.0 · 7.8AV:N/AC:L/Au:N/C:N/I:N/A:C
CWE-20 · Improper Input Validation