{"id":14953,"date":"2026-09-04T19:02:19","date_gmt":"2026-09-04T11:02:19","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-63915"},"modified":"2026-09-04T19:02:19","modified_gmt":"2026-09-04T11:02:19","slug":"cve-2026-63915","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-63915","title":{"rendered":"CVE-2026-63915 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: hci: fix out-of-"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>nfc: hci: fix out-of-bounds read in HCP header parsing<\/p>\n<p>Both nfc_hci_recv_from_llc() and nci_hci_data_received_cb() read<br \/>\npacket-&gt;header from skb-&gt;data at function entry without first checking<br \/>\nthat the buffer holds at least one byte. A malicious NFC peer can send<br \/>\na 0-byte HCP frame that passes through the SHDLC layer and reaches<br \/>\nthese functions, causing an out-of-bounds heap read of packet-&gt;header.<br \/>\nThe same 0-byte frame, if queued as a non-final fragment, also causes<br \/>\nthe reassembly loop to underflow msg_len to UINT_MAX, triggering<br \/>\nskb_over_panic() when the reassembled skb is written.<\/p>\n<p>Fix this by adding a pskb_may_pull() check at the entry of each<br \/>\nfunction before packet-&gt;header is first accessed. The existing<br \/>\npskb_may_pull() checks before the reassembled hcp_skb is cast to<br \/>\nstruct hcp_packet remain in place to guard the 2-byte HCP message<br \/>\nheader.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>nfc: hci: fix out-of-bounds read in HCP header parsing<\/p>\n<p>Both nfc_hci_recv_from_llc() and nci_hci_data_received_cb() read<br \/>\npacket-&gt;he<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-14953","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/14953","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=14953"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14953"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}