Exploitation Summary
EIP tracks 1 public exploit for CVE-2009-4141. PoCs published by Tavis Ormandy.
AI-analyzed exploit summary This exploit leverages a race condition in the Linux kernel (CVE-2009-4141) to trigger a use-after-free vulnerability, potentially allowing local privilege escalation. The PoC manipulates file descriptor locks and async flags to exploit the bug during process execution.
Description
Use-after-free vulnerability in the fasync_helper function in fs/fcntl.c in the Linux kernel before 2.6.33-rc4-git1 allows local users to gain privileges via vectors that include enabling O_ASYNC (aka FASYNC or FIOASYNC) on a locked file, and then closing this file.
Exploits (1)
This exploit leverages a race condition in the Linux kernel (CVE-2009-4141) to trigger a use-after-free vulnerability, potentially allowing local privilege escalation. The PoC manipulates file descriptor locks and async flags to exploit the bug during process execution.