{"id":15085,"date":"2026-09-04T19:02:24","date_gmt":"2026-09-04T11:02:24","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-64116"},"modified":"2026-09-04T19:02:24","modified_gmt":"2026-09-04T11:02:24","slug":"cve-2026-64116","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-64116","title":{"rendered":"CVE-2026-64116 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: ioam: add NULL"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ipv6: ioam: add NULL check for idev in ipv6_hop_ioam()<\/p>\n<p>Reported by Sashiko:<\/p>\n<p>The function ipv6_hop_ioam() accesses<br \/>\n__in6_dev_get(skb-&gt;dev)-&gt;cnf.ioam6_enabled without validating the returned<br \/>\nidev pointer. Because addrconf_ifdown() can concurrently clear dev-&gt;ip6_ptr<br \/>\nvia RCU, __in6_dev_get() can return NULL during interface teardown, which<br \/>\ncould cause a NULL pointer dereference when processing an IOAM Hop-by-Hop<br \/>\noption.<\/p>\n<p>Let&#8217;s add a check and use SKB_DROP_REASON_IPV6DISABLED accordingly.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ipv6: ioam: add NULL check for idev in ipv6_hop_ioam()<\/p>\n<p>Reported by Sashiko:<\/p>\n<p>The function ipv6_hop_ioam() accesses<br \/>\n__in6_dev_get(s<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-15085","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/15085","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=15085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}