In the Linux kernel, the following vulnerability has been resolved: platform/x86: thinkpad_acpi: Fix a memory leak of EFCH MMIO resource Unlike release_mem_region(), a call to release_resource() does not free the resource, so it has to be freed explicitly to avoid a memory leak.
https://git.kernel.org/stable/c/d2f33f0c3ad7b0d5262d9b986f1353265fad7a08
https://git.kernel.org/stable/c/3884bf75fa044c73e843d95dd71a424e80ebb095