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In the Linux kernel, the following vulnerability has been resolved:
staging: media: tegra-video: fix device_node use after free
At probe time this code path is followed:
* tegra_csi_init * tegra_csi_channels_alloc * for_each_child_of_node(node, channel) -- iterates over channels * automatically gets 'channel' * tegra_csi_channel_alloc() * saves into chan->of_node a pointer to the channel OF node * automatically gets and puts 'channel' * now the node saved in chan->of_node has refcount 0, can disappear * tegra_csi_channels_init * iterates over channels * tegra_csi_channel_init -- uses chan->of_node
After that, chan->of_node keeps storing the node until the device is removed.
of_node_get() the node and of_node_put() it during teardown to avoid any risk.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Dec 29, 2025 | Dec 29, 2025 |
| Ubuntu | — | Upgrade linux-gkeUpgrade linux-nvidiaUpgrade linux-lowlatencyUpgrade linux-oracle-5.15Upgrade linux-gcp-5.15Upgrade linux-riscv-5.15Upgrade linux-raspiUpgrade linux-azure-5.15Upgrade linux-oracleUpgrade linux-gcpUpgrade linux-intel-iotgUpgrade linux-gkeopUpgrade linux-ibmUpgrade linux-kvmUpgrade linux-realtimeUpgrade linux-intel-iotg-5.15Upgrade linux-azure-fdeUpgrade linux-lowlatency-hwe-5.15Upgrade linux-awsUpgrade linux-azureUpgrade linux-intel-iot-realtimeUpgrade linux-bluefieldUpgrade linuxUpgrade linux-nvidia-tegra-5.15Upgrade linux-hwe-5.15Upgrade linux-aws-5.15 | 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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