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CVE-2026-98074: Linux

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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: bonding: do not clear curr_active_slave prematurely when releasing all slaves When releasing all slaves during bond destruction (all == true), __bond_release_one() unconditionally clears bond->curr_active_slave to NULL in every iteration. If a backup slave is released before the active slave, bond_alb_deinit_slave() triggers rlb_teach_disabled_mac_on_primary(), which increments the active slave dev promiscuity counter and sets bond_info->primary_is_promisc = 1. Because bond->curr_active_slave was prematurely cleared to NULL when releasing the backup slave, the subsequent iteration releasing the active slave evaluates oldcurrent as NULL, so bond_change_active_slave(bond, NULL) is skipped. Consequently, bond_alb_handle_active_change() is never called to decrement the promiscuity counter, permanently leaking promiscuous mode on the physical device after bond teardown. When oldcurrent == slave, bond_change_active_slave(bond, NULL) already sets bond->curr_active_slave to NULL. We only need to avoid selecting a new active slave when all == true. Replace the if (all) branch with if (!all && oldcurrent == slave).

    Засегнати продукти

    • Linux Linux: 0896341a44bf04bf6149d9307fe4686006f3eee1 преди b1ded242135071769902778dbab081e3fc09730f; 0896341a44bf04bf6149d9307fe4686006f3eee1 преди e39b203ec9e73852098d41b26386172d51babeb9; 0896341a44bf04bf6149d9307fe4686006f3eee1 преди 384739c631aa6749356ba062d6b7c9a484a733f6; 0896341a44bf04bf6149d9307fe4686006f3eee1 преди 7b435c69a30b40efc642de98b9bfa95fcf2ad4f0; 0896341a44bf04bf6149d9307fe4686006f3eee1 преди d6ef22e79c2be3612868daede0e9a84f05439d9e; 0896341a44bf04bf6149d9307fe4686006f3eee1 преди 19ba7ecfade159b3702c78a360fd7d971e2b7109; 0896341a44bf04bf6149d9307fe4686006f3eee1 преди 6d0ee411d5437f3d126ea6979acb83a8da29dc81; 0896341a44bf04bf6149d9307fe4686006f3eee1 преди af602c7aa5fedc9be3043244017aef4f26c96b70
    • Linux Linux: 3.9; преди 3.9; 5.10.271 до 5.10.*; 5.15.222 до 5.15.*; 6.1.189 до 6.1.*; 6.6.158 до 6.6.*; 6.12.111 до 6.12.*; 6.18.53 до 6.18.*; 7.2.7 до 7.2.*; от 7.3 нататък

    История

    • 25 септември 2026 Публикувано

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    CVE-2026-98074: Linux | freedomonline.bg