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CVE-2026-98297: 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: hci_core: Fix queuing tx_work after workqueue is drained hci_send_acl(), hci_send_sco() and hci_send_iso() queue hdev->tx_work unconditionally. They can run from the L2CAP/SCO/ISO socket send path while hci_dev_close_sync() is draining hdev->workqueue (HCIDEVDOWN racing with a socket write). Since that queue_work() is not chained work from the tx_work worker itself, __queue_work() sees the queue marked __WQ_DRAINING, warns "cannot queue %ps on wq %s", and drops the work: WARNING: CPU: 1 PID: 5985 at kernel/workqueue.c:2352 __queue_work Call Trace: queue_work_on l2cap_chan_send l2cap_sock_sendmsg ... hci_dev_close_sync() already sets HCI_CMD_DRAIN_WORKQUEUE before draining, but only hci_cmd_work() and handle_cmd_cnt_and_timer() check it before queuing. Route the tx_work producers through the same guard via a shared hci_sched_tx() helper.

    Засегнати продукти

    • Linux Linux: ccf07dfb9d7d1e2c7a1eeb782f90d9b614ebba9c преди 9943b4c70ad972f368705da8605054f865b08dad; 7b81c1378b79c3143ca3fdb3d18ac0f01cbabb21 преди 8010212197d4a3ee714f78ed77048d0b712ff925; 9cebe4680bb9a72f80c6541eb24af06db7a1fbc9 преди ab0678a0701ac4de499428dc1b321659bb74d272; 47330cc875b36a1cf7b3543cb2cf90a7c603ce0e преди e220c1242a643d97102a79f09b7ef3aa31276961; 525daaea459fc215f432de1b8debbd9144bf97b0 преди cbb325bc150e8c0dbce004ac0e5516bcffc0de31; 525daaea459fc215f432de1b8debbd9144bf97b0 преди 6610c6fe4b8936c232048e6049bf77c70a6f759c; 60bceb9a4c693e68cc90ba4b2dfb9e000e8638ff; 6.12.93 преди 6.12.112; 6.18.35 преди 6.18.54; 7.0.12 преди 7.1
    • Linux Linux: 7.1; преди 7.1; 6.12.112 до 6.12.*; 6.18.54 до 6.18.*; 7.2.8 до 7.2.*; 7.3 до *

    История

    • 6 октомври 2026 Публикувано

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    Първоизточници

    CVE-2026-98297: Linux | freedomonline.bg