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CVE-2026-98769: 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: usb: gadget: f_uac1_legacy: validate bRequest index in generic_{set,get}_cmd generic_set_cmd() and generic_get_cmd() use the low nibble of ctrl->bRequest as an index into con->data[]: u8 cmd = (ctrl->bRequest & 0x0F); /* 0 .. 15 */ ... con->data[cmd] = value; /* OOB when cmd >= 5 */ struct usb_audio_control (include/linux/usb/audio.h) declares data as a 5-element array, so indices 5 through 15 write (or read) up to 44 bytes past the end of the array on the heap. A malicious USB host can craft a class-specific SET_CUR / GET_CUR request with an arbitrary bRequest value, triggering the out-of-bounds access from an IRQ completion handler with no further preconditions. Add an ARRAY_SIZE() guard to both functions.

    Засегнати продукти

    • Linux Linux: c47d7b09891abb4f8b222317c89c7469bed8db3a преди 3e655ebe0e45b7b026a4d3e6c10586b95164b3fd; c47d7b09891abb4f8b222317c89c7469bed8db3a преди f8a4ddc23056560dc3333839a4c6998f644db303; c47d7b09891abb4f8b222317c89c7469bed8db3a преди f0ff630d83c12c9a97637dded1dc27558bee3760; c47d7b09891abb4f8b222317c89c7469bed8db3a преди da841c1511a6160b8bc6bb7b7c6d4c9fb76fb51e; c47d7b09891abb4f8b222317c89c7469bed8db3a преди 36f3f009049bc91e14dc856007932473318d12f8; c47d7b09891abb4f8b222317c89c7469bed8db3a преди 8c611876c002d712ae5f246af5188432c708f79d; c47d7b09891abb4f8b222317c89c7469bed8db3a преди 697cfe6e53b66cda196d6f8833b0ee97fefd0a8a; c47d7b09891abb4f8b222317c89c7469bed8db3a преди 9062d50e75c24dc7911be05c9b1719b3b256af15
    • Linux Linux: 2.6.31; преди 2.6.31; 5.10.273 до 5.10.*; 5.15.224 до 5.15.*; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.113 до 6.12.*; 6.18.56 до 6.18.*; 7.2.10 до 7.2.*; 7.3 до *

    История

    • 18 октомври 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-98769: Linux | freedomonline.bg