In the Linux kernel, the following vulnerability has been resolved: netfs: Fix subreq ref leak Fix a subrequest ref leak in netfs_unbuffered_write() in the event that subreq->io_iter ends up zero length during preparation.
https://git.kernel.org/stable/c/ebefb12122d1319257ecac01c1a928f78007716a
https://git.kernel.org/stable/c/3c30087e27598d9d359763e8be9bd3017fe08348
https://git.kernel.org/stable/c/0a573f4283a965a5e8716f621aec404cb4575328