In the Linux kernel, the following vulnerability has been resolved: selinux: fix memleak in security_read_state_kernel() In this function, it directly returns the result of __security_read_policy without freeing the allocated memory in *data, cause memory leak issue, so free the memory if __security_read_policy failed. [PM: subject line tweak]
https://git.kernel.org/stable/c/f3cd7562c0a6774fc62d79654482014020e574f5
https://git.kernel.org/stable/c/c877c5217145bda8fd95f506bf42f8d981afa57d
https://git.kernel.org/stable/c/73de1befcc53a7c68b0c5e76b9b5ac41c517760f
https://git.kernel.org/stable/c/1fc1f72aad2070d34022d0823e4cf09706b53f25