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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2023-53389 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: dp: Only trigger DRM HPD events if bridge is attached The MediaTek DisplayPort interface bridge driver starts its interrupts as soon as its probed. However when the interrupts trigger the bridge might not have been attached to a DRM device. As drm_helper_hpd_irq_event() does not check whether the passed in drm_device is valid or not, a NULL pointer passed in results in a kernel NULL pointer dereference in it. Check whether the bridge is attached and only trigger an HPD event if it is.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/3551789d0635dfb2df8ab8e7fdbf0647e9c1724c kernel.org
https://git.kernel.org/stable/c/36b617f7e4ae663fcadd202ea061ca695ca75539 kernel.org
https://git.kernel.org/stable/c/6524d3d58797975cc40b85be1e9b89721b4e8d0b kernel.org
https://git.kernel.org/stable/c/d1c04e338016ae2517c641806a831b1f3eee2bed kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-53389
NVD Published Date:
09/18/2025
NVD Last Modified:
09/19/2025
Source:
kernel.org