In the Linux kernel, the following vulnerability has been resolved:
fbdev: smscufx: Fix several use-after-free bugs
Several types of UAFs can occur when physically removing a USB device.
Adds ufx_ops_destroy() function to .fb_destroy of fb_ops, and in this function, there is kref_put() that finally calls ufx_free().
This fix prevents multiple UAFs.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Dec 29, 2025 | Dec 29, 2025 |
| Ubuntu | — | Upgrade linux-gcp-fipsUpgrade linux-hwe-5.15Upgrade linux-nvidiaUpgrade linux-azure-5.15Upgrade linux-azure-fdeUpgrade linux-ibmUpgrade linux-azure-fde-5.15Upgrade linux-azure-4.15Upgrade linux-bluefieldUpgrade linux-xilinx-zynqmpUpgrade linux-intel-iotg-5.15Upgrade linux-gcp-5.15Upgrade linux-raspiUpgrade linux-azureUpgrade linux-hwe-5.4Upgrade linux-oracleUpgrade linux-gkeopUpgrade linux-realtimeUpgrade linux-kvmUpgrade linux-hweUpgrade linux-gcp-4.15Upgrade linux-iotUpgrade linux-lowlatency-hwe-5.15Upgrade linux-lowlatencyUpgrade linux-aws-fipsUpgrade linux-azure-5.4Upgrade linux-aws-5.4Upgrade linux-raspi-5.4Upgrade linux-riscv-5.15Upgrade linux-oracle-5.15Upgrade linux-azure-fipsUpgrade linux-fipsUpgrade linux-aws-5.15Upgrade linux-aws-hweUpgrade linux-intel-iotgUpgrade linux-oracle-5.4Upgrade linux-awsUpgrade linux-gkeUpgrade linuxUpgrade linux-gcp-5.4Upgrade linux-gcpUpgrade linux-ibm-5.4 | Jan 6, 2026 | Dec 24, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 24, 2025 |
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