{"id":34947,"date":"2026-10-09T16:32:31","date_gmt":"2026-10-09T08:32:31","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98384"},"modified":"2026-10-09T16:32:31","modified_gmt":"2026-10-09T08:32:31","slug":"cve-2026-98384","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98384","title":{"rendered":"CVE-2026-98384 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix out-of-bound"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Fix out-of-bounds read of sk_protocol in bpf_sock_destroy()<\/p>\n<p>sk_protocol lives in struct sock, not in struct sock_common. A timewait<br \/>\nor request sock handed to bpf_sock_destroy() by the tcp iterator is<br \/>\nneither, so reading sk-&gt;sk_protocol runs past the object:<\/p>\n<p>==================================================================<br \/>\nBUG: KASAN: slab-out-of-bounds in bpf_sock_destroy+0xc7\/0xe0<br \/>\nRead of size 2 at addr ffff8881047d11b4 by task test_progs\/428<\/p>\n<p>Tainted: [W]=WARN<br \/>\nCall Trace:<\/p>\n<p> dump_stack_lvl+0x91\/0xf0<br \/>\n print_report+0xd1\/0x630<br \/>\n kasan_report+0xf3\/0x130<br \/>\n __asan_report_load2_noabort+0x14\/0x30<br \/>\n bpf_sock_destroy+0xc7\/0xe0<br \/>\n bpf_prog_c3dd61f9d9cd9f37_iter_tcp6_timewait+0x9f\/0xb7<br \/>\n bpf_iter_run_prog+0x538\/0xde0<br \/>\n bpf_iter_tcp_seq_show+0x26b\/0x4b0<br \/>\n bpf_seq_read+0x424\/0x1210<br \/>\n vfs_read+0x197\/0xe40<br \/>\n ksys_read+0x119\/0x240<br \/>\n __x64_sys_read+0x72\/0xc0<br \/>\n x64_sys_call+0x647\/0x27e0<br \/>\n do_syscall_64+0xe5\/0x610<br \/>\n entry_SYSCALL_64_after_hwframe+0x76\/0x7e<\/p>\n<p>Only check sk_protocol on full socks. tcp_abort() already knows how to<br \/>\ndeal with TIME_WAIT and NEW_SYN_RECV socks. Also fix the comment, it<br \/>\nnever matched the code.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>bpf: Fix out-of-bounds read of sk_protocol in bpf_sock_destroy()<\/p>\n<p>sk_protocol lives in struct sock, not in struct sock_common. A ti<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-34947","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/34947","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=34947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=34947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=34947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}