CyberRota Analysis
AI-GeneratedThe vulnerability in the Linux kernel affects the handling of bio requests during atomic direct I/O operations, where pages may remain attached to a bio even after a size mismatch error occurs. This can lead to resource leaks, potentially causing performance degradation or system instability. Organizations using Linux-based systems, particularly those relying on atomic I/O operations, should prioritize addressing this issue to maintain system integrity and performance.
Original NVD Description
In the Linux kernel, the following vulnerability has been resolved: iomap: release pages on atomic dio size mismatch If bio_iov_iter_get_pages() or the bounce helper succeeds but builds a short bio, the REQ_ATOMIC size check rejects it before submission. The old error path only dropped the bio reference, leaving any pages already attached to the bio unreleased. Release or unbounce the pages before falling through to out_put_bio on this error path. This bug was reported by sashiko: https://sashiko.dev/#/patchset/20260608073134.95964-1-changfengnan%40bytedance.com