{"id":41197,"date":"2026-10-19T00:32:34","date_gmt":"2026-10-18T16:32:34","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98725"},"modified":"2026-10-19T00:32:34","modified_gmt":"2026-10-18T16:32:34","slug":"cve-2026-98725","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98725","title":{"rendered":"CVE-2026-98725 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-auth: fix out-o"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>nvmet-auth: fix out-of-bounds write in nvmet_auth_challenge()<\/p>\n<p>nvmet_auth_challenge() receives its output buffer as a void pointer.<br \/>\nsizeof(*d) therefore evaluates to one with GCC and undercounts the fixed<br \/>\nchallenge header by 15 bytes.  A short AUTH_RECEIVE buffer can pass the<br \/>\ncheck before the challenge is copied past the end of its allocation.<\/p>\n<p>Use the typed challenge pointer when calculating the response size.<\/p>\n<p>  BUG: KASAN: slab-out-of-bounds in nvmet_execute_auth_receive (drivers\/nvme\/target\/fabrics-cmd-auth.c:442 drivers\/nvme\/target\/fabrics-cmd-auth.c:569)<br \/>\n  Write of size 32 by task kworker\/1:1H\/64<br \/>\n  Workqueue: nvmet_tcp_wq nvmet_tcp_io_work<br \/>\n  Call Trace:<br \/>\n  nvmet_execute_auth_receive (drivers\/nvme\/target\/fabrics-cmd-auth.c:442 drivers\/nvme\/target\/fabrics-cmd-auth.c:569)<br \/>\n  nvmet_tcp_try_recv_pdu (drivers\/nvme\/target\/tcp.c:1119 drivers\/nvme\/target\/tcp.c:1243)<br \/>\n  nvmet_tcp_io_work (drivers\/nvme\/target\/tcp.c:1350 drivers\/nvme\/target\/tcp.c:1382 drivers\/nvme\/target\/tcp.c:1445)<br \/>\n  process_one_work (kernel\/workqueue.c:3322)<br \/>\n  worker_thread (kernel\/workqueue.c:3405 kernel\/workqueue.c:3486)<br \/>\n  kthread (kernel\/kthread.c:436)<br \/>\n  ret_from_fork (arch\/x86\/kernel\/process.c:158)<br \/>\n  ret_from_fork_asm (arch\/x86\/entry\/entry_64.S:245)<br \/>\n  The buggy address is located 16 bytes inside of<br \/>\n   allocated 33-byte region [ffff888000554e80, ffff888000554ea1)<br \/>\n  Kernel panic &#8211; not syncing: KASAN: panic_on_warn set &#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>nvmet-auth: fix out-of-bounds write in nvmet_auth_challenge()<\/p>\n<p>nvmet_auth_challenge() receives its output buffer as a void pointer.<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41197","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41197","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=41197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}