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CVE-2025-21988

Description

In the Linux kernel, the following vulnerability has been resolved:fs/netfs/read_collect: add to next->prev_donatedIf multiple subrequests donate data to the same "next" request(depending on the subrequest completion order), each of them wouldoverwrite the `prev_donated` field, causing data corruption and aBUG() crash ("Can't donate prior to front").

POC

Reference

No PoCs from references.

Github

- https://github.com/fkie-cad/nvd-json-data-feeds