CVE-2017-15649

CVE-2017-15649 is a local privilege escalation vulnerability affecting the Linux kernel before version 4.13.6, specifically within the net/packet/af_packet.c component. It stems from a race condition during the handling of packet_fanout data structures, leading to a use-after-free error. This vulnerability carries a CVSS v3 score of 7.8 (High), indicating that a local attacker can achieve high confidentiality, integrity, and availability impacts with low attack complexity. While not listed on the KEV catalog, public exploit code (EDB-44053) exists, though there is no evidence of active exploitation, Metasploit/Nuclei modules, or significant community discussion or media coverage.