# CVE-2022-50745: linux: In the Linux kernel, the following vulnerability has been resolved:  staging: media: tegra-video: fix device_node use...

CVE-2022-50745 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50745, released December 24, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-50745
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0019
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 24, 2025

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.4-1 | [DEBIAN-CVE-2022-50745](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50745.md) | Dec 24, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.1.4-1 | [DEBIAN-CVE-2022-50745](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50745.md) | Dec 24, 2025 |
| Linux | linux Debian 14 | 6.1.4-1 | [DEBIAN-CVE-2022-50745](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50745.md) | Dec 24, 2025 |

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