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CVE-2026-31720: 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: usb: gadget: f_uac1_legacy: validate control request size f_audio_complete() copies req->length bytes into a 4-byte stack variable: u32 data = 0; memcpy(&data, req->buf, req->length); req->length is derived from the host-controlled USB request path, which can lead to a stack out-of-bounds write. Validate req->actual against the expected payload size for the supported control selectors and decode only the expected amount of data. This avoids copying a host-influenced length into a fixed-size stack object.

    Засегнати продукти

    • Linux Linux: c6994e6f067cf0fc4c6cca3d164018b1150916f8 преди 557d1d4e862eccd0b74cc377b66de3e1e8d49605; c6994e6f067cf0fc4c6cca3d164018b1150916f8 преди 21b11e8581285c6f10ef43d05df349d445f24273; c6994e6f067cf0fc4c6cca3d164018b1150916f8 преди 0d41772d98dcaf6c17e875b7d0ea0154ae1191ee; c6994e6f067cf0fc4c6cca3d164018b1150916f8 преди c6da4fed7537aec19880c24f6c3a95065adb1406; c6994e6f067cf0fc4c6cca3d164018b1150916f8 преди be2d32f0c3fe333d14c0a9ca90328dacbc3e06b8; c6994e6f067cf0fc4c6cca3d164018b1150916f8 преди 8e5eb1d6e6a3d7bbea9c92132d0cda5793176426; c6994e6f067cf0fc4c6cca3d164018b1150916f8 преди 26304d124e7f0383f8fe1168b5801a0ac7e16b1c; c6994e6f067cf0fc4c6cca3d164018b1150916f8 преди 6e0e34d85cd46ceb37d16054e97a373a32770f6c
    • Linux Linux: 2.6.31; преди 2.6.31; 5.10.253 до 5.10.*; 5.15.203 до 5.15.*; 6.1.168 до 6.1.*; 6.6.134 до 6.6.*; 6.12.81 до 6.12.*; 6.18.22 до 6.18.*; 6.19.12 до 6.19.*; 7.0 до *

    История

    • 1 май 2026 Публикувано

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    Първоизточници

    CVE-2026-31720: Linux | freedomonline.bg