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.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Dec 29, 2025 | Dec 29, 2025 |
| Ubuntu | — | Upgrade linux-ibmUpgrade linux-azure-5.4Upgrade linux-azure-4.15Upgrade linux-bluefieldUpgrade linux-raspiUpgrade linux-lowlatencyUpgrade linux-intel-iotg-5.15Upgrade linux-gkeopUpgrade linux-gcp-4.15Upgrade linux-nvidiaUpgrade linux-azure-5.15Upgrade linux-hweUpgrade linux-hwe-5.15Upgrade linux-gcp-fipsUpgrade linux-xilinx-zynqmpUpgrade linux-raspi-5.4Upgrade linux-kvmUpgrade linux-lowlatency-hwe-5.15Upgrade linux-aws-5.4Upgrade linux-gcp-5.15Upgrade linux-realtimeUpgrade linux-oracleUpgrade linux-azureUpgrade linux-azure-fde-5.15Upgrade linux-hwe-5.4Upgrade linux-aws-fipsUpgrade linux-iotUpgrade linux-gcp-5.4Upgrade linux-gcpUpgrade linux-oracle-5.4Upgrade linux-oracle-5.15Upgrade linux-ibm-5.4Upgrade linux-aws-5.15Upgrade linux-awsUpgrade linux-fipsUpgrade linux-riscv-5.15Upgrade linux-azure-fipsUpgrade linux-aws-hweUpgrade linuxUpgrade linux-gkeUpgrade linux-intel-iotg | 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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