Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2017-18509

An issue was discovered in net/ipv6/ip6mr.c in the Linux kernel before 4.11. By setting a specific socket option, an attacker can control a pointer in kernel land and cause an inet_csk_listen_stop general protection fault, or potentially execute arbitrary code under certain circumstances. The issue can be triggered as root (e.g., inside a default LXC container or with the CAP_NET_ADMIN capability) or after namespace unsharing. This occurs because sk_type and protocol are not checked in the appropriate part of the ip6_mroute_* functions. NOTE: this affects Linux distributions that use 4.9.x longterm kernels before 4.9.187.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.4%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 7.2
References
Products affected by CVE-2017-18509


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