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CVE-2026-74552: 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: hwmon: (lm90) Only report alarms if driver is ready Userspace can read sysfs attributes before driver registration is complete, immediately after devm_hwmon_device_register_with_info() has been called. At that time, data->hwmon_dev is not yet initialized. This can trigger a NULL pointer access since lm90_update_device() and with it lm90_update_alarms_locked() will be called. This call schedules report_work and lm90_report_alarms(), which passes the still-NULL data->hwmon_dev to hwmon_notify_event() and triggers a NULL pointer dereference. Fix the problem by only scheduling the report and alert workers data->hwmon_dev is set.

    Засегнати продукти

    • Linux Linux: f6d0775119fb905fb02eafa98d575cf8ee792d46 преди 31ce62d36d859423dc39f9902f7c4c307b2e00e3; f6d0775119fb905fb02eafa98d575cf8ee792d46 преди 4eed33c7db5c0c573928d28d8a2c003642c679b8; f6d0775119fb905fb02eafa98d575cf8ee792d46 преди 70d9a71aa407044d70b50d356b6decf6659c4d56; f6d0775119fb905fb02eafa98d575cf8ee792d46 преди 075fce376cf852db9293481edce07c181a9b1f46; f6d0775119fb905fb02eafa98d575cf8ee792d46 преди f0b791a006512a48b6348494cb6960598fa99a58; f6d0775119fb905fb02eafa98d575cf8ee792d46 преди aa9429edf9fc0e90d6f4da19ea4b5495a54ab117
    • Linux Linux: 6.0; преди 6.0; 6.1.183 до 6.1.*; 6.6.151 до 6.6.*; 6.12.103 до 6.12.*; 6.18.44 до 6.18.*; 7.1.8 до 7.1.*; от 7.2 нататък

    История

    • 15 август 2026 Публикувано

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    Първоизточници

    CVE-2026-74552: Linux | freedomonline.bg