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

batman-adv: frag: free unfragmentable packet

The caller of batadv_frag_send_packet() assume that the skb provided to the
function are always consumed. But the pre-check for an empty payload or the
zero fragment size returned an error without any further actions.

A failed pre-check must use the same error handling code as the rest of the
function.

https://git.kernel.org/stable/c/04ccbed8179e7d4d0906d00939300ddc5b48ce7e

https://git.kernel.org/stable/c/08047838817561cef33ada9774a2a4663d499ecb

https://git.kernel.org/stable/c/59e1da1ab354d1f2b7bab8d44f846262f990ad9d

https://git.kernel.org/stable/c/601dff01a03ecced59938cdd69eeb2c66e4158f2

https://git.kernel.org/stable/c/6b628425aed49a1c7a4ffc997583840fc582d32b

https://git.kernel.org/stable/c/740542f11bf8c86411c429fbd7f84fc6bee80e76

https://git.kernel.org/stable/c/8f54162e07d3eea1e4ff21464cf2a815d79b6510

https://git.kernel.org/stable/c/a5155aeeae8ead3c6081f7f197608033e4dcfe75

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