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In the Linux kernel, the following vulnerability has been resolved:
tty: skip cdev_del() when no cdev is registered
TTY device registration can fail before a cdev is allocated. Serial core keeps the port so setserial can still use it, and later removal passes the NULL cdev slot to cdev_del(), causing a NULL-pointer dereference.
Only delete the cdev when the slot is not NULL.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Nov 3, 2026 | Sep 17, 2026 |
| Redhat_linux | — | No solution exists | Oct 15, 2026 | Sep 17, 2026 |
| Ubuntu | — | Upgrade linux-awsUpgrade linux-oem-7.0Upgrade linux-riscvUpgrade linux-oracleUpgrade linux-hwe-7.0Upgrade linux-gcpUpgrade linuxUpgrade linux-ibmUpgrade linux-riscv-7.0 | Nov 3, 2026 | Sep 17, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Nov 4, 2026 | Sep 17, 2026 |
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