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CVE-2026-31399: Linux

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CVSS

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Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

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Време до експлоатация

    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: nvdimm/bus: Fix potential use after free in asynchronous initialization Dingisoul with KASAN reports a use after free if device_add() fails in nd_async_device_register(). Commit b6eae0f61db2 ("libnvdimm: Hold reference on parent while scheduling async init") correctly added a reference on the parent device to be held until asynchronous initialization was complete. However, if device_add() results in an allocation failure the ref count of the device drops to 0 prior to the parent pointer being accessed. Thus resulting in use after free. The bug bot AI correctly identified the fix. Save a reference to the parent pointer to be used to drop the parent reference regardless of the outcome of device_add().

    Засегнати продукти

    • Linux Linux: b6eae0f61db27748606cc00dafcfd1e2c032f0a5 преди 6fc36c2a925ceaba203eb13d75a8f0879a2c121b; b6eae0f61db27748606cc00dafcfd1e2c032f0a5 преди a36cf138500e56f50db9f9a33222df6969b38326; b6eae0f61db27748606cc00dafcfd1e2c032f0a5 преди 9a0fb16ba5b372465a3a1ecd761c6fa911a4ab4d; b6eae0f61db27748606cc00dafcfd1e2c032f0a5 преди e48bf8f1d2b12c1c5ba1f609edbd4cde5dadc20e; b6eae0f61db27748606cc00dafcfd1e2c032f0a5 преди 2c638259ad750833fd46a0cf57672a618542d84c; b6eae0f61db27748606cc00dafcfd1e2c032f0a5 преди a226e5b49e5fe8c98b14f8507de670189d191348; b6eae0f61db27748606cc00dafcfd1e2c032f0a5 преди 84af19855d1abdee3c9d57c0684e2868e391793c; b6eae0f61db27748606cc00dafcfd1e2c032f0a5 преди a8aec14230322ed8f1e8042b6d656c1631d41163; 8954771abdea5c34280870e35592c7226a816d95; 3e63a7f25cc85d3d3e174b9b0e3489ebb7eaf4ab; 1490de2bb0836fc0631c04d0559fdf81545b672f; e31a8418c8df7e6771414f99ed3d95ba8aca4e05; 4f1a55a4f990016406147cf3e0c9487bf83e50f0; 4.4.164 преди 4.5; 4.9.137 преди 4.10; 4.14.81 преди 4.15; 4.18.19 преди 4.19; 4.19.2 преди 4.20
    • Linux Linux: 4.20; преди 4.20; 5.10.253 до 5.10.*; 5.15.203 до 5.15.*; 6.1.167 до 6.1.*; 6.6.130 до 6.6.*; 6.12.78 до 6.12.*; 6.18.20 до 6.18.*; 6.19.10 до 6.19.*; от 7.0 нататък

    История

    • 3 април 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-31399: Linux | freedomonline.bg