{"id":82245,"date":"2026-07-19T15:46:56","date_gmt":"2026-07-19T12:16:56","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-63835-batman-adv-v-prevent-ogm-aggregation-on-disabled-hardif\/"},"modified":"2026-07-19T15:46:56","modified_gmt":"2026-07-19T12:16:56","slug":"cve-2026-63835-batman-adv-v-prevent-ogm-aggregation-on-disabled-hardif","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-63835-batman-adv-v-prevent-ogm-aggregation-on-disabled-hardif\/","title":{"rendered":"CVE-2026-63835 &#8211; batman-adv: v: prevent OGM aggregation on disabled hardif"},"content":{"rendered":"<p>CVE ID :CVE-2026-63835<\/p>\n<p>  Published : July 19, 2026, 12:16 p.m. | 1\u00a0hour, 23\u00a0minutes ago<\/p>\n<p>  Description :In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>batman-adv: v: prevent OGM aggregation on disabled hardif<\/p>\n<p>When an interface gets disabled, the worker is correctly disabled by<br \/>\nbatadv_hardif_disable_interface() -&gt; &#8230; -&gt; batadv_v_ogm_iface_disable().<br \/>\nIn this process, the skb aggr_list is also freed.<\/p>\n<p>But batadv_v_ogm_send_meshif() can still queue new skbs (via<br \/>\nbatadv_v_ogm_queue_on_if()) to the aggr_list. This will only stop after all<br \/>\ncores can no longer find the RCU protected list of hard interfaces. These<br \/>\nqueued skbs will never be freed or consumed by batadv_v_ogm_aggr_work.<\/p>\n<p>The batadv_v_ogm_iface_disable() function must block<br \/>\nbatadv_v_ogm_queue_on_if() to avoid leak of skbs.<\/p>\n<p>  Severity: 0.0 | NA<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-63835 Published : July 19, 2026, 12:16 p.m. | 1\u00a0hour, 23\u00a0minutes ago Description :In the Linux kernel, the following vulnerability has been resolved: batman-adv: v: prevent OGM aggregation on disabled hardif When an interface gets disabled, the worker is correctly disabled by batadv_hardif_disable_interface() -&gt; &#8230; -&gt; batadv_v_ogm_iface_disable(). In this process, the skb aggr_list &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-82245","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82245","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=82245"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82245\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=82245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=82245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=82245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}