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redhatcveRedhat.comRH:CVE-2017-18017
HistoryJan 04, 2018 - 4:19 p.m.

CVE-2017-18017

2018-01-0416:19:48
redhat.com
access.redhat.com
44

EPSS

0.954

Percentile

99.4%

The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service (use-after-free and memory corruption) or possibly have unspecified other impact by leveraging the presence of xt_TCPMSS in an iptables action. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although we believe it is unlikely.