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CVE-2026-90124: 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: irqchip/renesas-rzg2l: Fix loss of interrupt rzg2l_clear_irq_int() and rzg2l_clear_tint_int() perform a read-modify-write on the ISCR/TSCR status registers to clear the bit for the interrupt just handled. Since these registers are write-0-to-clear per bit, this is racy: If another interrupt's status bit gets set between the read and the write, that bit is written back as 0 by the software-constructed value, clearing an interrupt that hasn't been serviced yet and losing it. This can be reproduced by triggering multiple interrupts at once, e.g.: gpioset -c gpiochip0 355=0 353=0 328=0 352=0 Fix this by writing back only the bit being cleared, with all other bits set to 1, instead of read-modify-writing the whole register. Since 1-bits are left unchanged by hardware, concurrently-set status bits for other interrupts are preserved.

    Засегнати продукти

    • Linux Linux: 3fed09559cd8be79568d368ce02bf7f2d56259b6 преди c043591f03a8111f7d306b8122c444a949486269; 3fed09559cd8be79568d368ce02bf7f2d56259b6 преди b5ba8b861b5d833394bd23df3f4b59883ef18c88; 3fed09559cd8be79568d368ce02bf7f2d56259b6 преди 3791e242ec2e5a5cd9e010a75ed1125d0e84d394; 3fed09559cd8be79568d368ce02bf7f2d56259b6 преди 38c6831fefde0ff89f8d2dcb924f957a89dec414; 3fed09559cd8be79568d368ce02bf7f2d56259b6 преди dbecbe23dc606c4af68b4591a41124186f5c1802; 3fed09559cd8be79568d368ce02bf7f2d56259b6 преди 50b10bd0c2d721ad38abd1abe3acdefb6caa0944
    • Linux Linux: 6.0; преди 6.0; 6.1.188 до 6.1.*; 6.6.157 до 6.6.*; 6.12.110 до 6.12.*; 6.18.52 до 6.18.*; 7.2.6 до 7.2.*; от 7.3 нататък

    История

    • 17 септември 2026 Публикувано

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    Първоизточници

    CVE-2026-90124: Linux | freedomonline.bg