In the Linux kernel, the following vulnerability has been resolved: net: genl: fix error path memory leak in policy dumping If construction of the array of policies fails when recording non-first policy we need to unwind. netlink_policy_dump_add_policy() itself also needs fixing as it currently gives up on error without recording the allocated pointer in the pstate pointer.
https://git.kernel.org/stable/c/b0672895d8be5d19d4b05ac83f807026fc791037
https://git.kernel.org/stable/c/83411c9f05d5a8b637293b3389eca3d378197c04
https://git.kernel.org/stable/c/26b6acd365823e99e46be3b27500f5dc235dda5e
https://git.kernel.org/stable/c/249801360db3dec4f73768c502192020bfddeacc