{"id":41158,"date":"2026-10-19T00:32:24","date_gmt":"2026-10-18T16:32:24","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98686"},"modified":"2026-10-19T00:32:24","modified_gmt":"2026-10-18T16:32:24","slug":"cve-2026-98686","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98686","title":{"rendered":"CVE-2026-98686 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: discard"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>smb: client: discard post-EOF pagecache when extending a file via zero range<\/p>\n<p>smb3_zero_range() removed the pagecache only for the range being zeroed,<br \/>\nso when it extends the file the folio straddling the old EOF &#8211; which may<br \/>\nhold data dirtied past EOF through an mmap &#8211; was never dropped and became<br \/>\nvisible as file content once the file was extended.<\/p>\n<p>Lower the discard boundary to the smaller of the zero-range offset and the<br \/>\nold EOF.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>smb: client: discard post-EOF pagecache when extending a file via zero range<\/p>\n<p>smb3_zero_range() removed the pagecache only for the <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41158","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41158","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=41158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}