# CVE-2023-54018: linux: In the Linux kernel, the following vulnerability has been resolved:  drm/msm/hdmi: Add missing check for alloc_ordere...

CVE-2023-54018 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-54018, released December 24, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-54018
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0021
- 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:  drm/msm/hdmi: Add missing check for alloc_ordered_workqueue  Add check for the return value of alloc_ordered_workqueue as it may return NULL pointer and cause NULL pointer dereference in `hdmi_hdcp.c` and `hdmi_hpd.c`.  Patchwork: https://patchwork.freedesktop.org/patch/517211/

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.20-1 | [DEBIAN-CVE-2023-54018](https://patchblox.com/security/data/fix/linux/debian-cve-2023-54018.md) | Dec 24, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.1.20-1 | [DEBIAN-CVE-2023-54018](https://patchblox.com/security/data/fix/linux/debian-cve-2023-54018.md) | Dec 24, 2025 |
| Linux | linux Debian 14 | 6.1.20-1 | [DEBIAN-CVE-2023-54018](https://patchblox.com/security/data/fix/linux/debian-cve-2023-54018.md) | Dec 24, 2025 |

---

Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.