{"id":28993,"date":"2026-09-25T20:31:39","date_gmt":"2026-09-25T12:31:39","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-97561"},"modified":"2026-09-25T20:31:39","modified_gmt":"2026-09-25T12:31:39","slug":"cve-2026-97561","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-97561","title":{"rendered":"CVE-2026-97561 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: honor fo"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>smb: client: honor forceuid\/forcegid when mapping SIDs to uid\/gid<\/p>\n<p>When the administrator mounts with forceuid or forcegid (uid=\/gid=<br \/>\nmount options), they expect all files to appear owned by the specified<br \/>\nuser\/group.  However, several code paths unconditionally called<br \/>\nsid_to_id() to overwrite cf_uid\/cf_gid with server-provided values,<br \/>\nignoring the administrator&#8217;s explicit override:<\/p>\n<p>  &#8211; smb311_posix_info_to_fattr() (stat via POSIX extensions)<br \/>\n  &#8211; cifs_posix_to_fattr() (readdir via POSIX extensions)<br \/>\n  &#8211; parse_sec_desc() (CIFS ACL ownership mapping)<\/p>\n<p>This allowed an untrusted server to dictate local file ownership even<br \/>\nwhen the mount was configured to force specific uid\/gid values.<\/p>\n<p>Fix all three call sites to check CIFS_MOUNT_OVERR_UID and<br \/>\nCIFS_MOUNT_OVERR_GID before calling sid_to_id(), following the<br \/>\nsame pattern already used by cifs_unix_basic_to_fattr() for unix<br \/>\nextensions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>smb: client: honor forceuid\/forcegid when mapping SIDs to uid\/gid<\/p>\n<p>When the administrator mounts with forceuid or forcegid (uid=\/gi<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-28993","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/28993","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=28993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}