{"id":21648,"date":"2026-09-12T04:31:28","date_gmt":"2026-09-11T20:31:28","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89726"},"modified":"2026-09-12T04:31:28","modified_gmt":"2026-09-11T20:31:28","slug":"cve-2026-89726","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89726","title":{"rendered":"CVE-2026-89726 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nlib\/ucs2_string.c: fi"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>lib\/ucs2_string.c: fix out-of-bounds read in ucs2_strnlen()<\/p>\n<p>Patch series &#8220;lib\/ucs2_string.c: fix out-of-bounds read in<br \/>\nucs2_strnlen()&#8221;, v2.<\/p>\n<p>This series fixes an off-by-one out-of-bounds read in ucs2_strnlen().<\/p>\n<p>The first patch is the real fix, the second patch comes as a bonus and<br \/>\nfixes the code indentation.<\/p>\n<p>This patch (of 2):<\/p>\n<p>ucs2_strnlen() checks the current character before checking whether the<br \/>\ncaller-provided maximum length has been reached.  If the input is not<br \/>\nNUL-terminated within that bound, the loop can read one ucs2_char_t past<br \/>\nthe limit.<\/p>\n<p>Test the length before dereferencing to prevent an off-by-one<br \/>\nout-of-bounds read.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>lib\/ucs2_string.c: fix out-of-bounds read in ucs2_strnlen()<\/p>\n<p>Patch series &#8220;lib\/ucs2_string.c: fix out-of-bounds read in<br \/>\nucs2_strnle<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21648","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21648","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=21648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}