{"id":28626,"date":"2026-09-25T04:31:29","date_gmt":"2026-09-24T20:31:29","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93811"},"modified":"2026-09-25T04:31:29","modified_gmt":"2026-09-24T20:31:29","slug":"cve-2026-93811","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93811","title":{"rendered":"CVE-2026-93811 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: Fix acl.sd_buf"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ksmbd: Fix acl.sd_buf memory leak and invalid sd_size error handling<\/p>\n<p>1. When ndr_decode_v4_ntacl() fails, the code jumped to free_n_data<br \/>\n   which only freed n.data, skipping kfree(acl.sd_buf) and leaking<br \/>\n   the buffer. Zero-initialize struct xattr_ntacl acl, reorder error<br \/>\n   labels to out_free to release acl.sd_buf on all error paths.<\/p>\n<p>2. if (acl.sd_size &lt; sizeof(struct smb_ntsd)) is true, original code<br \/>\n   returned success without freeing sd_buf and left stale *pntsd.<br \/>\n   Set rc = -EINVAL before jumping to out_free to return error code and<br \/>\n   free buffer.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ksmbd: Fix acl.sd_buf memory leak and invalid sd_size error handling<\/p>\n<p>1. When ndr_decode_v4_ntacl() fails, the code jumped to free_<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-28626","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/28626","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=28626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}