CVE-2026-90334

Unrated

In the Linux kernel, the following vulnerability has been resolved: tty: clear cdev pointer after cdev_add() failure tty_cdev_add() drops the cdev reference when cdev_add() fails, but leaves driver->cdevs[index] pointing to freed memory. tty_unregister_device() later passes that stale pointer to cdev_del(), causing a use-after-free. Clear the slot after dropping the reference.

Published 2026-09-17 · last modified 2026-09-17

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.