CVE-2017-5546

CVE-2017-5546 describes a denial-of-service vulnerability in the Linux kernel versions 4.8.x and 4.9.x before 4.9.5, specifically within the freelist-randomization feature of mm/slab.c. A local attacker can exploit this by manipulating a large random number value, leading to duplicate freelist entries and a system crash, with potential for other unspecified impacts. This vulnerability carries a high CVSS score of 7.8 due to its local attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.