In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
smb: client: discard post-EOF pagecache when extending a file via clone range<\/p>\n
cifs_remap_file_range() discarded the pagecache only for the folios
\noverlapping the destination region, so when a clone extends the file the
\nfolio straddling the old EOF – which may hold data dirtied past EOF
\nthrough an mmap – was never dropped and became visible as file content
\nonce the file was extended.<\/p>\n
Start the discard at the smaller of fstart and the old EOF. i_size is
\nstill old here, so nothing past the old EOF is flushed to the server.<\/p>\n","protected":false},"excerpt":{"rendered":"
In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
smb: client: discard post-EOF pagecache when extending a file via clone range<\/p>\n
cifs_remap_file_range() discarded the pagecache only<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41157","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=41157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}