{"id":"CVE-2026-63835","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: v: prevent OGM aggregation on disabled hardif\n\nWhen an interface gets disabled, the worker is correctly disabled by\nbatadv_hardif_disable_interface() -> ...…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: v: prevent OGM aggregation on disabled hardif\n\nWhen an interface gets disabled, the worker is correctly disabled by\nbatadv_hardif_disable_interface() -> ...…","severity":"none","published":"2026-07-19","updated":"2026-08-17","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-63835","references":[{"url":"https://git.kernel.org/stable/c/3d4548c96d6f21ac1a9b06c5f82f3ef439c87023","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/86ab6b6fb5b82163bf6c45780bb72150021d7349","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/97644fdaaf6446ffbe182c5eb804fceb5b1a51b7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d11c00b95b2a3b3934007fc003dccc6fdcc061ad","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d3569327fc7395b2b0461a0a0cb77a0bb74786c0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d462ced79dd430200cf888984e8005da77fc810b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f04dde74399431fb07abbdd9cd5d0ed624771d04","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f79deaaf822ab0ee2424cf28781f9ab91576bea3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00174,"epssPercentile":0.06062,"ingestedAt":"2026-08-17T06:48:45.104Z","slug":"CVE-2026-63835","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: v: prevent OGM aggregation on disabled hardif\n\nWhen an interface gets disabled, the worker is correctly disabled by\nbatadv_hardif_disable_interface() -> ... -> batadv_v_ogm_iface_disable().\nIn this process, the skb aggr_list is also freed.\n\nBut batadv_v_ogm_send_meshif() can still queue new skbs (via\nbatadv_v_ogm_queue_on_if()) to the aggr_list. This will only stop after all\ncores can no longer find the RCU protected list of hard interfaces. These\nqueued skbs will never be freed or consumed by batadv_v_ogm_aggr_work.\n\nThe batadv_v_ogm_iface_disable() function must block\nbatadv_v_ogm_queue_on_if() to avoid leak of skbs.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}