CVE-2026-89642

A flaw was found in the Linux kernel's Common Internet File System CIFS implementation. When a client extends a file, the cifssetsize function fails to properly zero out the newly extended portion of the page cache. This oversight can lead to stale data from the client's memory being written back...

CVE-2026-89642 cifs: call pagecache_isize_extended() in cifs_setsize() when extending

In the Linux kernel, the following vulnerability has been resolved: cifs: call pagecacheisizeextended in cifssetsize when extending cifssetsize calls truncatepagecache but skips pagecacheisizeextended on extension. truncatesetsize shows the correct pattern: isizewriteinode, newsize; if newsize...

EUVD-2026-76554

In the Linux kernel, the following vulnerability has been resolved: cifs: call pagecacheisizeextended in cifssetsize when extending cifssetsize calls truncatepagecache but skips pagecacheisizeextended on extension. truncatesetsize shows the correct pattern: isizewriteinode, newsize; if newsize...