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Test your applicationsUpgrade Oracle:8 kernel-uek-modules to version 0:5.15.0-324.217.5.2.el8uek or higher.
This issue was patched in ELSA-2026-500249.
Note: Versions mentioned in the description apply only to the upstream kernel-uek-modules package and not the kernel-uek-modules package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
lockd: Plug nlm_file leak when nlm_do_fopen() fails
A client can repeatedly drive nlm_do_fopen() failures by presenting file handles that the underlying export rejects. After kzalloc_obj() succeeds in nlm_lookup_file(), the freshly allocated nlm_file is not yet inserted into nlm_files[]. The nlm_do_fopen() failure path jumps to out_unlock, which releases nlm_file_mutex and returns without freeing the allocation, so each failure leaks one nlm_file.
Route the failure through out_free so kfree() runs before the function returns.