CVE-2026-64159

CVE-2026-64159 is a bug in the Linux kernel's netfs (network file system) library. The function netfs_release_folio() incorrectly uses the local i_size instead of remote_i_size when updating the zero point (the file position from which the server is assumed to return zeros). This occurs when unco...

CVE-2026-64157

CVE-2026-64157 is a Linux kernel vulnerability in the netfs subsystem's netfs_invalidate_folio() function. When a partial invalidation region overlaps the front (but not all) of a dirty write cached in a streaming-write folio, the function incorrectly sets the dirty region offset to the start rat...