https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 07:39:24 +0000 https://vulnerability.circl.lu/vuln/cve-2026-89642 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>cifs: call pagecache_isize_extended() in cifs_setsize() when extending</p> <p>cifs_setsize() calls truncate_pagecache() but skips pagecache_isize_extended() on extension. truncate_setsize() shows the correct pattern:</p> <p>i_size_write(inode, newsize); if (newsize &gt; oldsize) pagecache_isize_extended(inode, oldsize, newsize); truncate_pagecache(inode, newsize);</p> <p>pagecache_isize_extended() zeroes the tail of the page straddling old EOF. Without it, dirty bytes in that region can be written back to the server, exposing stale data in the newly extended range.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>cifs: call pagecache_isize_extended() in cifs_setsize() when extending</p> <p>cifs_setsize() calls truncate_pagecache() but skips pagecache_isize_extended() on extension. truncate_setsize() shows the correct pattern:</p> <p>i_size_write(inode, newsize); if (newsize &gt; oldsize) pagecache_isize_extended(inode, oldsize, newsize); truncate_pagecache(inode, newsize);</p> <p>pagecache_isize_extended() zeroes the tail of the page straddling old EOF. Without it, dirty bytes in that region can be written back to the server, exposing stale data in the newly extended range.</p> https://vulnerability.circl.lu/vuln/cve-2026-89642