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CVE-2026-63835: Linux

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CVSS

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Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

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    Описание

    Оригинално описание

    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() -> ... -> batadv_v_ogm_iface_disable(). In this process, the skb aggr_list is also freed. But batadv_v_ogm_send_meshif() can still queue new skbs (via batadv_v_ogm_queue_on_if()) to the aggr_list. This will only stop after all cores can no longer find the RCU protected list of hard interfaces. These queued skbs will never be freed or consumed by batadv_v_ogm_aggr_work. The batadv_v_ogm_iface_disable() function must block batadv_v_ogm_queue_on_if() to avoid leak of skbs.

    Засегнати продукти

    • Linux Linux: f89255a02f1d75d8e1b9d1c31435fcb64840cb2a преди d462ced79dd430200cf888984e8005da77fc810b; f89255a02f1d75d8e1b9d1c31435fcb64840cb2a преди f79deaaf822ab0ee2424cf28781f9ab91576bea3; f89255a02f1d75d8e1b9d1c31435fcb64840cb2a преди d3569327fc7395b2b0461a0a0cb77a0bb74786c0; f89255a02f1d75d8e1b9d1c31435fcb64840cb2a преди 97644fdaaf6446ffbe182c5eb804fceb5b1a51b7; f89255a02f1d75d8e1b9d1c31435fcb64840cb2a преди f04dde74399431fb07abbdd9cd5d0ed624771d04; f89255a02f1d75d8e1b9d1c31435fcb64840cb2a преди 3d4548c96d6f21ac1a9b06c5f82f3ef439c87023; f89255a02f1d75d8e1b9d1c31435fcb64840cb2a преди 86ab6b6fb5b82163bf6c45780bb72150021d7349; f89255a02f1d75d8e1b9d1c31435fcb64840cb2a преди d11c00b95b2a3b3934007fc003dccc6fdcc061ad
    • Linux Linux: 5.4; преди 5.4; 5.10.260 до 5.10.*; 5.15.211 до 5.15.*; 6.1.177 до 6.1.*; 6.6.144 до 6.6.*; 6.12.95 до 6.12.*; 6.18.38 до 6.18.*; 7.1.3 до 7.1.*; от 7.2 нататък

    История

    • 19 юли 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-63835: Linux | freedomonline.bg