In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_copy_file_range() If the file is used by swap, before return -EOPNOTSUPP, should free the xid, otherwise, the xid will be leaked.
https://git.kernel.org/stable/c/dc283313d1ca378d787cb55c1e580dc3de852680
https://git.kernel.org/stable/c/bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2
https://git.kernel.org/stable/c/9a97df404a402fe1174d2d1119f87ff2a0ca2fe9
https://git.kernel.org/stable/c/27cfd3afaab000a455194338db3b7f2031fde9d0