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CVE-2026-53136: 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: drm/amd/display: Clamp VBIOS HDMI retimer register count to array size [Why & How] The VBIOS integrated info tables (v1_11 and v2_1) contain HdmiRegNum and Hdmi6GRegNum fields that are used as loop bounds when copying retimer I2C register settings into fixed-size arrays (dp*_ext_hdmi_reg_settings[9] and dp*_ext_hdmi_6g_reg_settings[3]). These u8 fields are not validated before use, so a malformed VBIOS can specify values up to 255, causing an out-of-bounds heap write during driver probe. Clamp each register count to the destination array size using min_t() before the copy loops, in both get_integrated_info_v11() and get_integrated_info_v2_1(). (cherry picked from commit 5a7f0ef90195940c54b0f5bb85b87da55f038c69)

    Засегнати продукти

    • Linux Linux: 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a преди 029571d51140650783be4fb98fe7cb4754752086; 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a преди 5f8b39452fb16f507c9e4d8b4a83ce27e893307c; 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a преди 4d1c3c26c2ab1842e139e61983395d64bd2e518b; 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a преди d6be8e59af412623e3d874be3a048406c0edfe60; 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a преди 3f32d52ec604c659725d865cf8cc6a17a33f9c6a; 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a преди 8aaa7e317fbd4beb9c6a9f77aa4cf52fae78b117; 1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a преди fb0707ce00eef4e2d60c3020e1c0432739703e4a
    • Linux Linux: 4.15; преди 4.15; 5.15.210 до 5.15.*; 6.1.176 до 6.1.*; 6.6.143 до 6.6.*; 6.12.94 до 6.12.*; 6.18.36 до 6.18.*; 7.0.13 до 7.0.*; от 7.1 нататък

    История

    • 25 юни 2026 Публикувано

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    CVE-2026-53136: Linux | freedomonline.bg