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CVE-2026-98210: 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: mmc: mxcmmc: cancel data work and watchdog on remove mxcmci_remove() frees the host through the devm tail, but neither it nor mmc_remove_host() drains the driver's own asynchronous state. host->watchdog, a 10 s timer armed on the DMA path in mxcmci_setup_data(), is deleted only by the DMA- and IRQ-complete paths, which the remove path does not explicitly drain; it can therefore fire after the host is freed and dereference it in mxcmci_watchdog(). host->datawork, armed from the IRQ handler on the PIO path, is not cancelled by the remove path either. Free the devm-registered IRQ, then cancel datawork and delete the watchdog in mxcmci_remove(), before dma_release_channel(). Freeing the IRQ first keeps a trailing handler from re-arming datawork between the cancel and the host free. Both callbacks are non-self-rearming. This issue was found by an in-house static analysis tool.

    Засегнати продукти

    • Linux Linux: f6ad0a481342223b2e7ae9f55b154e14f1391ada преди 740f595f8ad678cb4d79f13edd12851df2492bdd; f6ad0a481342223b2e7ae9f55b154e14f1391ada преди d3641afe6ee76d852834a34ef0669eefced32752; f6ad0a481342223b2e7ae9f55b154e14f1391ada преди 314966b490323bdcfd3162a1398b00e587e0ced4; f6ad0a481342223b2e7ae9f55b154e14f1391ada преди ae10838a7cdf0e54caa9d0a4f488704fd04e7f01; f6ad0a481342223b2e7ae9f55b154e14f1391ada преди a1ff367e0dc961d73707add508a95df5c3509bd1; f6ad0a481342223b2e7ae9f55b154e14f1391ada преди 23383e0578b58ba2dc0730cf9f7806bd66bf859a; f6ad0a481342223b2e7ae9f55b154e14f1391ada преди e2948c4232209e87c861a680f20f1e3cf8a57fec; f6ad0a481342223b2e7ae9f55b154e14f1391ada преди d3a421c82412344022982d5b91ba23194a0a6f29
    • Linux Linux: 3.7; преди 3.7; 5.10.271 до 5.10.*; 5.15.222 до 5.15.*; 6.1.189 до 6.1.*; 6.6.158 до 6.6.*; 6.12.112 до 6.12.*; 6.18.54 до 6.18.*; 7.2.8 до 7.2.*; 7.3 до *

    История

    • 6 октомври 2026 Публикувано

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    Първоизточници

    CVE-2026-98210: Linux | freedomonline.bg