In the Linux kernel, the following vulnerability has been resolved: tipc: fix a possible memleak in tipc_buf_append __skb_linearize() doesn't free the skb when it fails, so move '*buf = NULL' after __skb_linearize(), so that the skb can be freed on the err path.
https://git.kernel.org/stable/c/d03a82f4f8144befdc10518e732e2a60b34c870e
https://git.kernel.org/stable/c/adbce6d20da6254c86425a8d4359b221b5ccbccd
https://git.kernel.org/stable/c/97bf6f81b29a8efaf5d0983251a7450e5794370d
https://git.kernel.org/stable/c/614c5a5ae45a921595952117b2e2bd4d4bf9b574
https://git.kernel.org/stable/c/42c8471b0566c7539e7dd584b4d0ebd3cec8cb2c
https://git.kernel.org/stable/c/3210d34fda4caff212cb53729e6bd46de604d565
https://git.kernel.org/stable/c/2f87fd9476cf9725d774e6dcb7d17859c6a6d1ae
https://git.kernel.org/stable/c/01cd1b7b685751ee422d00d050292a3d277652d6