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CVE-2026-97536: Linux

7.5

CVSS 3.1

Няма данни

Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

Няма потвърждение

Атакува се

Няма данни

Време до експлоатация

Атакува се от съседна мрежа, при специфични условия, без вход и без действие от потребителя.

    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix use-after-free of qpair work on queue teardown The response queue MSI-X handler qla2xxx_msix_rsp_q() schedules qla_do_work() via queue_work(ha->wq, &qpair->q_work). qla_do_work() dereferences the qpair (vha, rsp) and takes qpair->qp_lock. During teardown, qla2xxx_delete_qpair() deletes the response queue, which calls free_irq() in qla25xx_free_rsp_que(), and then frees the queue and the qpair. free_irq() waits for running hardirq handlers but does not cancel work already placed on ha->wq. A still-pending q_work then runs qla_do_work() against the freed qpair and response queue, causing a use-after-free. This is especially likely during full adapter teardown, where destroy_workqueue(ha->wq) forces pending work to run after the queue pairs have been freed. Flush the work item with cancel_work_sync() in qla25xx_free_rsp_que() after free_irq() has released the interrupt (so no new work can be queued) and before the response queue and qpair memory are freed (so the flushed handler still sees valid memory). Guard on rsp->qpair and ha->wq to match the INIT_WORK() condition and avoid operating on an uninitialized work_struct.

    Засегнати продукти

    • Linux Linux: 68ca949cdb04b4dc71451a999148fbc5f187a220 преди 2089647f81ff5263867ec08589f273899016ad4a; 68ca949cdb04b4dc71451a999148fbc5f187a220 преди bf3f802619eb57cb11c706263dca13255db9f3fd; 68ca949cdb04b4dc71451a999148fbc5f187a220 преди 942ceba876881a57e5157bb30a8a05f99a77ddd8; 68ca949cdb04b4dc71451a999148fbc5f187a220 преди 9bd063c082ef0475dfc28c46f607aa3e90fe13d7; 68ca949cdb04b4dc71451a999148fbc5f187a220 преди dd6c14db0dbb7774278e62c8114902f953540932; 68ca949cdb04b4dc71451a999148fbc5f187a220 преди 1710a69fd74d0b4bdfcc57c3309b1c4057f70d85; 68ca949cdb04b4dc71451a999148fbc5f187a220 преди f1f4d1cb93eeeb250eac9405121933e268eefbd3; 68ca949cdb04b4dc71451a999148fbc5f187a220 преди 19788a55cab61d78e33e0914a5a31d27843e8a4a
    • 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.*; 6.12.112 до 6.12.*; 6.18.53 до 6.18.*; 7.2.7 до 7.2.*; от 7.3 нататък

    История

    • 25 септември 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-97536: Linux | freedomonline.bg