CVE-2014-9922

CVE-2014-9922 describes a local privilege escalation vulnerability in the eCryptfs subsystem of the Linux kernel, affecting versions prior to 3.18, including Google Android and Linux distributions. An attacker could exploit this flaw by leveraging a large filesystem stack incorporating an overlayfs layer. With a CVSS score of 7.8 (High), this vulnerability allows an unprivileged local user to gain full control over the system, leading to high impact on confidentiality, integrity, and availability. There is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.