CVE-2014-7826

CVE-2014-7826 describes a vulnerability in the Linux kernel's ftrace subsystem (specifically kernel/trace/trace_syscalls.c through version 3.17.2) that improperly handles private syscall numbers. This flaw allows local users to achieve privilege escalation or trigger a denial of service through an invalid pointer dereference via a specially crafted application. With a CVSS score of 7.8 (High), this vulnerability has a low attack complexity and requires local user privileges, potentially leading to high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.