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CVE-2026-64297: 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: module: decompress: check return value of module_extend_max_pages() module_extend_max_pages() calls kvrealloc() internally and returns -ENOMEM on allocation failure. The return value is never checked. If the initial allocation fails, info->pages remains NULL and info->max_pages remains 0. Subsequent calls to module_get_next_page() will attempt to dynamically grow the array by calling module_extend_max_pages(info, 0) since info->used_pages is 0. This results in kvrealloc(NULL, 0) returning ZERO_SIZE_PTR, which is treated as a success, leading to a dereference of ZERO_SIZE_PTR and a kernel oops. Fix: add the missing error check after module_extend_max_pages() and return immediately on failure. This matches the pattern used by every other kvrealloc() caller in the module loading path. [Sami: Corrected the analysis in the commit message.]

    Засегнати продукти

    • Linux Linux: b1ae6dc41eaaa98bb75671e0f3665bfda248c3e7 преди e7f174715f9f0cbcb9e87b52e4fc4ef149baac98; b1ae6dc41eaaa98bb75671e0f3665bfda248c3e7 преди afcc0515bbdd28d509a2b5870faaa89b137f5d53; b1ae6dc41eaaa98bb75671e0f3665bfda248c3e7 преди 168072baf9ad516d5a06046514c7fea4c0671990; b1ae6dc41eaaa98bb75671e0f3665bfda248c3e7 преди a82e170637e050a803b4f37542371ef216bf66d2; b1ae6dc41eaaa98bb75671e0f3665bfda248c3e7 преди e7da02659c229f73492fb1ed87ceda4090153aaa; b1ae6dc41eaaa98bb75671e0f3665bfda248c3e7 преди 786d2d84416a9a1c1a47b71a68d679d886284be2
    • Linux Linux: 5.17; преди 5.17; 6.1.178 до 6.1.*; 6.6.145 до 6.6.*; 6.12.96 до 6.12.*; 6.18.39 до 6.18.*; 7.1.4 до 7.1.*; от 7.2 нататък

    История

    • 25 юли 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-64297: Linux | freedomonline.bg