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CVE-2026-93234: 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/gud: validate TV mode names before creating enum property The GUD protocol returns TV mode names as fixed-size GUD_CONNECTOR_TV_MODE_NAME_LEN entries and requires each name to be NUL-terminated. gud_connector_add_tv_mode() currently passes each fixed-size entry directly to drm_mode_create_tv_properties_legacy(), which eventually reaches drm_property_add_enum() and strlen(). If a device returns an entry without a terminating NUL byte, strlen() reads past the end of the slot and can run beyond the allocated buffer, triggering an out-of-bounds read. Validate that each returned TV mode name contains a NUL terminator within its fixed-size slot before passing it to the DRM property code. If a malformed entry is found, reject the device response with -EIO. This fixes the out-of-bounds read without changing the handling of valid devices, and avoids silently truncating malformed protocol data.

    Засегнати продукти

    • Linux Linux: 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 преди 676f1fb3632bbc9ce83be7938e93fe6bfc9510fd; 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 преди 06fcaf21c18ac88f57fee3803554f48c6026b95f; 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 преди 082e378886547b5b1c4075ed307f7c68547868dc; 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 преди 70cffc31a380b3eae45027101647aa94c242aa0e; 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 преди 72a95df6bbc7d20c7af1e39d86b3e910cccd01ad; 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 преди eab46d9629807db1b5647d17227e16110a18227f; 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 преди da1ea35fea67ad841f4ada28dd61b41be65e5437
    • Linux Linux: 5.13; преди 5.13; 5.15.221 до 5.15.*; 6.1.188 до 6.1.*; 6.6.157 до 6.6.*; 6.12.110 до 6.12.*; 6.18.51 до 6.18.*; 7.2.5 до 7.2.*; 7.3 до *

    История

    • 24 септември 2026 Публикувано

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    Първоизточници

    CVE-2026-93234: Linux | freedomonline.bg