{"id":29113,"date":"2026-09-25T20:31:54","date_gmt":"2026-09-25T12:31:54","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-97957"},"modified":"2026-09-25T20:31:54","modified_gmt":"2026-09-25T12:31:54","slug":"cve-2026-97957","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-97957","title":{"rendered":"CVE-2026-97957 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hinic: fix mailb"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: hinic: fix mailbox segment buffer overflow<\/p>\n<p>check_mbox_seq_id_and_seg_len() validates that seq_id does not<br \/>\nexceed SEQ_ID_MAX_VAL (42) and seg_len does not exceed<br \/>\nMBOX_SEG_LEN (48).  However, this allows the last segment<br \/>\n(seq_id=42) to carry a full 48-byte payload, writing to offset<br \/>\n42*48=2016 for 48 bytes (ending at byte 2064).  The receive<br \/>\nbuffer is only MBOX_MAX_BUF_SZ (2048) bytes, resulting in a<br \/>\n16-byte heap buffer overflow.<\/p>\n<p>The hinic3 driver already handles this correctly by defining<br \/>\nMBOX_LAST_SEG_MAX_LEN and rejecting the last segment when it<br \/>\nexceeds the remaining buffer space.  Apply the same fix to the<br \/>\nhinic driver.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: hinic: fix mailbox segment buffer overflow<\/p>\n<p>check_mbox_seq_id_and_seg_len() validates that seq_id does not<br \/>\nexceed SEQ_ID_MAX_V<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-29113","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/29113","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=29113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}