CVE-2022-48946: udf: Fix preallocation discarding at indirect extent boundary

First published: Mon Oct 21 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: udf: Fix preallocation discarding at indirect extent boundary When preallocation extent is the first one in the extent block, the code would corrupt extent tree header instead. Fix the problem and use udf_delete_aext() for deleting extent to avoid some code duplication.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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