CVE-2025-21832

CVE-2025-21832 - Linux kernel : In blkdev_read_iter(), revert handling for -EIOCBQUEUED caused by not validating blkdev_direct_IO() return before iov_iter_revert(), risking a WARN_ON due to a negative/unsigned mismatch. The patch removes reversion for -EIOCBQUEUED, aligning with other spots and p...