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CVE-2026-98706: 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: wifi: mac80211: drain PS delivery work during station teardown Removing an AP or mesh station can notify the driver and wake TXQs after the station has already been removed from the driver, and can update num_sta_ps and the power-save queues after station cleanup has purged them. sta_deliver_ps_frames() tests sta->dead only before it starts delivery. A worker that passes that test can be delayed while teardown sets sta->dead and removes the station from the driver; when it resumes it still runs the full delivery. The existing cancel_work_sync() sits near the end of __cleanup_single_sta(), after the final driver state transition and after PS accounting and queue purging, so it drains the worker only once the state it has to protect has already changed. Before commit d34ba2168a3c ("mac80211: don't delay station destruction") cleanup was deferred through the same ordered workqueue as the delivery work, which kept the two ordered. Cancel the work after setting sta->dead and before moving the driver state, and move the existing cancellation to the start of __cleanup_single_sta(). The first drain closes the driver-lifetime window; driver callbacks during the remaining state transitions can still queue drv_deliver_wk through ieee80211_sta_block_awake(), so retain the second drain at the start of __cleanup_single_sta(). That drain also covers insertion failures, which reach cleanup without setting sta->dead.

    Засегнати продукти

    • Linux Linux: d34ba2168a3c10e7301cca06069c39865b4c3ec6 преди 01292d4c491b9b78c23cde3c5eaa9fb8c8e241f8; d34ba2168a3c10e7301cca06069c39865b4c3ec6 преди dedae75046c47d191b9ffe3771c09281a9a94fba; d34ba2168a3c10e7301cca06069c39865b4c3ec6 преди 086e7aebd3a9f91435cac348828a339e1070b188; d34ba2168a3c10e7301cca06069c39865b4c3ec6 преди cbff71fe689f359ebd6a3eaded035ef75226afce; d34ba2168a3c10e7301cca06069c39865b4c3ec6 преди 843d3a1e6f25027ac85f88f67b95d82c67306dee; d34ba2168a3c10e7301cca06069c39865b4c3ec6 преди 772bd89304ecf057cc51ce4ce24a1a96ac9c8de3; d34ba2168a3c10e7301cca06069c39865b4c3ec6 преди 097460fcdd8ab9ef6f6018b2fdc29ba0ea499298; d34ba2168a3c10e7301cca06069c39865b4c3ec6 преди 67a9e80c3ca20c9044cd6ee72cd6278dd19b5023
    • Linux Linux: 3.14; преди 3.14; 5.10.273 до 5.10.*; 5.15.224 до 5.15.*; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.113 до 6.12.*; 6.18.56 до 6.18.*; 7.2.10 до 7.2.*; от 7.3 нататък

    История

    • 18 октомври 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-98706: Linux | freedomonline.bg