CVE-2024-50212 lib: alloc_tag_module_unload must wait for pending kfree_rcu calls

In the Linux kernel, the following vulnerability has been resolved: lib: alloctagmoduleunload must wait for pending kfreercu calls Ben Greear reports following splat: ------------ cut here ------------ net/netfilter/nfnatcore.c:1114 module nfnat func:nfnatregisterfn has 256 allocated at module...

CVE-2024-50212

The CVE-2024-50212 vulnerability in the Linux kernel concerns the lib/alloc_tag_module_unload path, where nf_nat module unload may trigger a warning because kfree_rcu operations are still pending when unload checks run. The issue arises from nf_nat’s module exit calling kfree_rcu on addresses tha...