CVE-2026-93279
In the Linux kernel, the following vulnerability has been resolved: staging: octeon: add missing tasklet_kill in cvm_oct_tx_shutdown The TX cleanup tasklet can be scheduled by the watchdog IRQ handler to execute cvm_oct_tx_do_cleanup. There can be a pending tasklet in the queue which might run after the cvm_oct_remove() frees net_device structures, causing a use-after-free in cvm_oct_tx_do_cleanup() as it iterates cvm_oct_device[] which is an array of netdevice pointers. Add tasklet_kill() after free_irq() to ensure the tasklet is no longer scheduled or running before teardown proceeds.
Слабость
In the Linux kernel, the following vulnerability has been resolved: staging: octeon: add missing tasklet_kill in cvm_oct_tx_shutdown The TX cleanup tasklet can be scheduled by the watchdog IRQ handler to execute cvm_oct_tx_do_cleanup. There can be a pending tasklet in the queue which might run after the cvm_oct_remove() frees net_device structures, causing a use-after-free in cvm_oct_tx_do_cleanup() as it iterates cvm_oct_device[] which is an array of netdevice pointers. Add tasklet_kill() after free_irq() to ensure the tasklet is no longer scheduled or running before teardown proceeds.
Источники
- https://git.kernel.org/stable/c/03d12490afd1198310ad0aba42462329832eb739
- https://git.kernel.org/stable/c/2c0c9956596e48654bb4855e2a0742748a0826a7
- https://git.kernel.org/stable/c/32efcb6d5f4e3f030e7b0a3ba5c6c0684dd07486
- https://git.kernel.org/stable/c/41a79bd9e5a74f8f483b3b206d10567912874fb4
- https://git.kernel.org/stable/c/a77efd85e0d48c877f66d2bc3ab89cc1b8dacd19
- https://git.kernel.org/stable/c/b6365e4186322858a82c8713b1d0bd209c8e765a
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