CVE-2025-68317

In the Linux kernel, the following vulnerability has been resolved:

io_uring/zctx: check chained notif contexts

Send zc only links ubuf_info for requests coming from the same context.
There are some ambiguous syz reports, so let’s check the assumption on
notification completion.

More information : https://git.kernel.org/stable/c/aaafd17d3f4be2c15539359a5b4bfa00237f687f