CVE-2018-1065 Null dereference in Linux kernel 4.15.0-rc9

What is CVE-2018-1065?

CVE-2018-1065 is a medium-severity vulnerability in Linux kernel, published on 2 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-476

Which versions are affected by CVE-2018-1065?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2018-1065?

Apply the vendor's patch.

Is CVE-2018-1065 being exploited?

There is no known exploitation of CVE-2018-1065 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-1065, GHSA-cvp9-xf77-46mc, UBUNTU-CVE-2018-1065.