In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix nfsd4_encode_fattr4() crasher Ensure that args.acl is initialized early. It is used in an unconditional call to kfree() on the way out of nfsd4_encode_fattr4().
https://git.kernel.org/stable/c/6a7b07689af6e4e023404bf69b1230f43b2a15bc
https://git.kernel.org/stable/c/18180a4550d08be4eb0387fe83f02f703f92d4e7