Description
The uipc system calls (uipc_syscalls.c) in OpenBSD 2.9 and 3.0 provide user mode return instead of versus rval kernel mode values to the fdrelease function, which allows local users to cause a denial of service and trigger a null dereference.
Products
Questions to Ask Vendors
- Can you confirm whether your systems are affected by CVE-2001-1559, and if so, what steps are you currently taking to mitigate this vulnerability?
- What is your estimated timeline for fully resolving CVE-2001-1559 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