Vulnerability CVE-2022-48934
Published: 2024-08-22

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

nfp: flower: Fix a potential leak in nfp_tunnel_add_shared_mac()

ida_simple_get() returns an id between min (0) and max (NFP_MAX_MAC_INDEX)
inclusive.
So NFP_MAX_MAC_INDEX (0xff) is a valid id.

In order for the error handling path to work correctly, the 'invalid'
value for 'ida_idx' should not be in the 0..NFP_MAX_MAC_INDEX range,
inclusive.

So set it to -1.

 References:
https://git.kernel.org/stable/c/5ad5886f85b6bd893e3ed19013765fb0c243c069
https://git.kernel.org/stable/c/af4bc921d39dffdb83076e0a7eed1321242b7d87
https://git.kernel.org/stable/c/9d8097caa73200710d52b9f4d9f430548f46a900
https://git.kernel.org/stable/c/4086d2433576baf85f0e538511df97c8101e0a10
https://git.kernel.org/stable/c/3a14d0888eb4b0045884126acc69abfb7b87814d
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