CVE-2023-53223 drm/msm/dsi: Add missing check for alloc_ordered_workqueue

What is CVE-2023-53223?

CVE-2023-53223 is a medium-severity vulnerability in Linux kernel, published on 15 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

drm/msm/dsi: 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.

Patchwork: https://patchwork.freedesktop.org/patch/517646/

Weakness: CWE-476

Which versions are affected by CVE-2023-53223?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-53223?

Apply the vendor's patch.

Is CVE-2023-53223 being exploited?

There is no known exploitation of CVE-2023-53223 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2023-53223, DEBIAN-CVE-2023-53223, GHSA-rq5j-m653-58gg, UBUNTU-CVE-2023-53223.