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CVE-2026-98458: 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: Bluetooth: ISO: release unused CIS holds after channel attach hci_bind_cis() and hci_connect_cis() return one hci_conn hold for the ISO layer. A new channel association consumes that hold, which is eventually released by iso_conn_free(). There are two cases where iso_chan_add() does not create an association: it returns success when the socket is already attached to the same iso_conn, and it returns -EBUSY when another socket is attached. The hold returned for the current call is unused in both cases. This occurs when deferred setup calls iso_connect_cis() again for its existing socket, or when another socket attempts to reuse the CIS. Detect the idempotent case while the connection is locked and release the unused hold after iso_chan_add(). Also release it on -EBUSY. Do not drop it for other errors: a newly allocated iso_conn releases the transferred hold when its last temporary reference is put.

    Засегнати продукти

    • Linux Linux: 69997d50ec574be816b4ee8f9cee52ebbd53f8bd преди e0e8b70207eaf27aee0a05ec5bf2d1b6bcb004d1; 69997d50ec574be816b4ee8f9cee52ebbd53f8bd преди ed4c026cc4094dfb7a329b9d8df0ddd0be1b2458; 69997d50ec574be816b4ee8f9cee52ebbd53f8bd преди e5fcca51177f224604e3a8c926ffd5edbeb58b09; 69997d50ec574be816b4ee8f9cee52ebbd53f8bd преди 0fcd4dad555c96e0bd3a1b8c569f989be85c7341
    • Linux Linux: 6.6; преди 6.6; 6.12.113 до 6.12.*; 6.18.55 до 6.18.*; 7.2.9 до 7.2.*; 7.3 до *

    История

    • 18 октомври 2026 Публикувано

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    Първоизточници

    CVE-2026-98458: Linux | freedomonline.bg