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CVE-2026-93829: 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: smb: client: fix races in cifsd thread creation The cifsd demultiplex thread can run and access tcp_ses before the parent thread has finished populating tcp_ses, which the worker thread accesses locklessly. Also, the kthread_run macro may start the thread before returning the thread pointer. Because the pointer is part of the structure that the thread can access, if the kernel is preempted after the thread is spawned, but before the thread pointer is populated and the thread attempts to exit, it will sleep, waiting for a SIGKILL signal. Fix this by moving creation of the thread to after all of tcp_ses'es fields are populated, and spawning the thread last, using a split kthread_create/wake_up_process logic.

    Засегнати продукти

    • Linux Linux: aaf737adb6937339494d5a7111f0433cd9676db8 преди 2376fb3348b4fa72a5158c8a63ff2489e1956541; aaf737adb6937339494d5a7111f0433cd9676db8 преди cfa09f63e75cf440c9be97d1e73d509bfbb2c2c5; aaf737adb6937339494d5a7111f0433cd9676db8 преди ee8f811cbac56ffb738b3a73671a9e75b0f56e99; aaf737adb6937339494d5a7111f0433cd9676db8 преди 0eee1e6cddd1d9ce14da06e0238ca8d3362dec90; aaf737adb6937339494d5a7111f0433cd9676db8 преди e8a5cf2ff5a13fefb228f2069e29dd7d8e37185d
    • Linux Linux: 2.6.22; преди 2.6.22; 6.1.191 до 6.1.*; 6.6.158 до 6.6.*; 6.12.111 до 6.12.*; 6.18.53 до 6.18.*; от 7.2 нататък

    История

    • 24 септември 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-93829: Linux | freedomonline.bg