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CVE-2026-64585: Linux

7.8

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 локално, без особени условия, с обикновен потребителски вход и без действие от потребителя.

    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: can: esd_usb: kill anchored URBs before freeing netdevs esd_usb_disconnect() frees each CAN netdev with free_candev() inside its per-netdev loop and only calls unlink_all_urbs(dev) afterwards. The per-netdev private data (struct esd_usb_net_priv) is embedded in the net_device allocation returned by alloc_candev(), so once free_candev() has run, dev->nets[i] points to freed memory. unlink_all_urbs() then dereferences the freed dev->nets[i] to kill the per-netdev TX anchor (usb_kill_anchored_urbs(&priv->tx_submitted)), clear active_tx_jobs, and reset priv->tx_contexts[]. Reorder the teardown so the anchored URBs are killed before the netdevs are freed, matching other CAN/USB drivers in the same directory such as ems_usb, usb_8dev and mcba_usb, which unregister, then unlink, then free: unregister the netdevs first (which stops their TX queues), call unlink_all_urbs(dev) once, then free the netdevs. This issue was found by an in-house static analysis tool.

    Засегнати продукти

    • Linux Linux: 96d8e90382dc336b5de401164597edfdc2e8d9f1 преди d12f6add48f2da15c8c8281961d3faad804c76cf; 96d8e90382dc336b5de401164597edfdc2e8d9f1 преди aa1d005927db38af783c1a4a8a00a39e0229ab2d; 96d8e90382dc336b5de401164597edfdc2e8d9f1 преди a02e1d8f191324583599544d54e59e6a2b74bb0e; 96d8e90382dc336b5de401164597edfdc2e8d9f1 преди a3314f10369df70925140f59bbe069718f65a0b9; 96d8e90382dc336b5de401164597edfdc2e8d9f1 преди 765ba1c91823a296447528791b89a6504947fd5c; 96d8e90382dc336b5de401164597edfdc2e8d9f1 преди 5832c55b3c824ba2fe9c36ac3c411baddcce053e; 96d8e90382dc336b5de401164597edfdc2e8d9f1 преди c43122fef328a70045fe7621c06de6b2b8e19264
    • Linux Linux: 2.6.36; преди 2.6.36; 5.15.217 до 5.15.*; 6.1.178 до 6.1.*; 6.6.145 до 6.6.*; 6.12.97 до 6.12.*; 6.18.40 до 6.18.*; 7.1.5 до 7.1.*; от 7.2 нататък

    История

    • 6 август 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-64585: Linux | freedomonline.bg