SUSE CVE-2026-64063

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix streaming write being overwritten In order to avoid reading whilst writing, netfslib will allow "streaming writes" in which dirty data is stored directly into folios without reading them first. Such folios are marked...

CVE-2026-64064

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsinvalidatefolio to clear dirty bit if all changes gone If a streaming write is made, this will leave the relevant modified folio in a not-uptodate, but dirty state with a netfsfolio struct hung off of folio-privat...

CVE-2026-64064

CVE-2026-64064 affects the Linux kernel netfs library , specifically netfs_invalidate_folio(). When a streaming write leaves a folio in a dirty state and the file is subsequently truncated, the netfs_folio struct is discarded while the dirty flag remains set . A later mmap() read triggers netfs_r...