CVE-2012-3375

CVE-2012-3375 is a denial-of-service vulnerability in the Linux kernel, specifically affecting versions before 3.2.24. It arises from an improper handling of ELOOP errors in the epoll_ctl system call when adding new file descriptors, allowing a local user to create a circular epoll dependency. The vulnerability has a CVSS score of 4.9, indicating a low attack complexity and requiring local access to cause a complete system crash and file descriptor consumption. While not actively exploited in the wild, an exploit proof-of-concept is available on ExploitDB, and there is minimal community discussion or media coverage surrounding this CVE.