{"id":5410,"date":"2026-09-04T18:47:49","date_gmt":"2026-09-04T10:47:49","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-68287"},"modified":"2026-09-04T18:47:49","modified_gmt":"2026-09-04T10:47:49","slug":"cve-2026-68287","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-68287","title":{"rendered":"CVE-2026-68287 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ndrop_monitor: fix siz"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drop_monitor: fix size calculations for 64-bit attributes<\/p>\n<p>net_dm_packet_report_fill() and net_dm_hw_packet_report_fill() use<br \/>\nnla_put_u64_64bit() to append 64-bit attributes (NET_DM_ATTR_PC and<br \/>\nNET_DM_ATTR_TIMESTAMP).<\/p>\n<p>On 32-bit architectures without CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS,<br \/>\nnla_put_u64_64bit() may append a 4-byte NET_DM_ATTR_PAD attribute for<br \/>\n64-bit alignment.<\/p>\n<p>However, net_dm_packet_report_size() and net_dm_hw_packet_report_size()<br \/>\nused nla_total_size(sizeof(u64)) instead of nla_total_size_64bit(sizeof(u64)),<br \/>\nbudgeting 12 bytes instead of up to 16 bytes.<\/p>\n<p>This under-estimation of SKB size can lead to an skb_over_panic() when<br \/>\n__nla_reserve() or skb_put() is subsequently called.<\/p>\n<p>Fix this by using nla_total_size_64bit(sizeof(u64)) in both size calculations.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drop_monitor: fix size calculations for 64-bit attributes<\/p>\n<p>net_dm_packet_report_fill() and net_dm_hw_packet_report_fill() use<br \/>\nnla_p<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-5410","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/5410","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=5410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}