Description
Race condition in OpenBSD VFS allows local users to cause a denial of service (kernel panic) by (1) creating a pipe in one thread and causing another thread to set one of the file descriptors to NULL via a close, or (2) calling dup2 on a file descriptor in one process, then setting the descriptor to NULL via a close in another process that is created via rfork.
Products
- OpenBSD 2.6
- OpenBSD 2.7
- OpenBSD 2.8
- OpenBSD 2.9
Questions to Ask Vendors
- Can you confirm whether your systems are affected by CVE-2001-1047, and if so, what steps are you currently taking to mitigate this vulnerability?
- What is your estimated timeline for fully resolving CVE-2001-1047 in your products or services, and how will you communicate updates on this issue to us as your customer?
Recommended Actions
- Check out the advisory links provided below.
References