CVE-2018-1065
low-risk
Published 2018-03-02
The netfilter subsystem in the Linux kernel through 4.15.7 mishandles the case of a rule blob that contains a jump but lacks a user-defined chain, which allows local users to cause a denial of service (NULL pointer dereference) by leveraging the CAP_NET_RAW or CAP_NET_ADMIN capability, related to arpt_do_table in net/ipv4/netfilter/arp_tables.c, ipt_do_table in net/ipv4/netfilter/ip_tables.c, and ip6t_do_table in net/ipv6/netfilter/ip6_tables.c.
Do I need to act?
-
0.08% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10
Medium
LOCAL
/ HIGH complexity
Affected Products (1)
Affected Vendors
References (22)
Third Party Advisory
http://lists.openwall.net/netdev/2018/01/27/46
Third Party Advisory
http://www.securitytracker.com/id/1040446
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1547824
Third Party Advisory
http://lists.openwall.net/netdev/2018/01/27/46
Third Party Advisory
http://www.securitytracker.com/id/1040446
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1547824
and 2 more references
17
/ 100
low-risk
Severity
12/34 · Low
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal