In the Linux kernel, the following vulnerability has been resolved:
s390/vfio-ap: fix memory leak in vfio_ap device driver
The device release callback function invoked to release the matrix device uses the dev_get_drvdata(device *dev) function to retrieve the pointer to the vfio_matrix_dev object in order to free its storage. The problem is, this object is not stored as drvdata with the device; since the kfree function will accept a NULL pointer, the memory for the vfio_matrix_dev object is never freed.
Since the device being released is contained within the vfio_matrix_dev object, the container_of macro will be used to retrieve its pointer.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Dec 9, 2025 | Dec 9, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 8, 2025 |
| Ubuntu | — | Upgrade linux-bluefieldUpgrade linux-hwe-5.15Upgrade linux-raspiUpgrade linux-gcp-5.15Upgrade linux-oracle-5.4Upgrade linux-raspi-5.4Upgrade linux-gkeUpgrade linux-kvmUpgrade linux-nvidia-tegra-5.15Upgrade linux-nvidia-tegraUpgrade linux-gcpUpgrade linux-awsUpgrade linux-lowlatency-hwe-5.15Upgrade linux-intel-iotgUpgrade linux-azureUpgrade linux-intel-iotg-5.15Upgrade linux-aws-5.15Upgrade linux-riscv-5.15Upgrade linux-realtimeUpgrade linux-aws-5.4Upgrade linux-oracle-5.15Upgrade linux-ibm-5.15Upgrade linux-iotUpgrade linux-gcp-fipsUpgrade linux-azure-fipsUpgrade linux-azure-5.15Upgrade linuxUpgrade linux-ibm-5.4Upgrade linux-xilinx-zynqmpUpgrade linux-gcp-5.4Upgrade linux-azure-5.4Upgrade linux-nvidiaUpgrade linux-fipsUpgrade linux-hwe-5.4Upgrade linux-nvidia-tegra-igxUpgrade linux-intel-iot-realtimeUpgrade linux-ibmUpgrade linux-gkeopUpgrade linux-lowlatencyUpgrade linux-oracleUpgrade linux-aws-fips | Dec 10, 2025 | Dec 8, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 8, 2025 |
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