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Test your applicationsUpgrade Oracle:9 kernel-devel to version 0:5.14.0-503.11.1.el9_5 or higher.
This issue was patched in ELSA-2024-9315.
Note: Versions mentioned in the description apply only to the upstream kernel-devel package and not the kernel-devel package as distributed by Oracle.
See How to fix? for Oracle:9 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
block: fix module reference leakage from bdev_open_by_dev error path
At the time bdev_may_open() is called, module reference is grabbed already, hence module reference should be released if bdev_may_open() failed.
This problem is found by code review.