{"id":28589,"date":"2026-09-25T04:31:26","date_gmt":"2026-09-24T20:31:26","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93286"},"modified":"2026-09-25T04:31:26","modified_gmt":"2026-09-24T20:31:26","slug":"cve-2026-93286","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93286","title":{"rendered":"CVE-2026-93286 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet: appletalk: fix N"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: appletalk: fix NULL pointer dereference in aarp_send_ddp()<\/p>\n<p>aarp_send_ddp() calls atalk_find_dev_addr(dev) in the LocalTalk fast<br \/>\npath without checking for NULL. When the device has no AppleTalk<br \/>\ninterface configured (dev-&gt;atalk_ptr == NULL), this leads to a NULL<br \/>\npointer dereference at the at-&gt;s_net access.<\/p>\n<p> KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]<br \/>\n RIP: 0010:aarp_send_ddp (net\/appletalk\/aarp.c:552 (discriminator 2))<br \/>\n Call Trace:<\/p>\n<p>  atalk_sendmsg (net\/appletalk\/ddp.c:1715)<br \/>\n  __sys_sendto (net\/socket.c:2265 (discriminator 1))<br \/>\n  __x64_sys_sendto (net\/socket.c:2272)<br \/>\n  do_syscall_64 (arch\/x86\/entry\/syscall_64.c:94)<br \/>\n  entry_SYSCALL_64_after_hwframe (arch\/x86\/entry\/entry_64.S:121)<\/p>\n<p>Add a NULL check consistent with the other callers of<br \/>\natalk_find_dev_addr().<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: appletalk: fix NULL pointer dereference in aarp_send_ddp()<\/p>\n<p>aarp_send_ddp() calls atalk_find_dev_addr(dev) in the LocalTalk fa<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-28589","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/28589","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=28589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}