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CVE-2023-53389

18
FAUCET Score

CVE-2023-53389 is a NULL pointer dereference vulnerability in the Linux kernel's MediaTek DisplayPort interface bridge driver. It occurs when the driver attempts to trigger a Hot Plug Detect (HPD) event before the bridge is properly attached to a DRM device, leading to a kernel crash. Rated 5.5 MEDIUM (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H), this local vulnerability could result in a denial of service. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.1, < 6.1.28CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.2.15CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.3, < 6.3.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.14%
Probability of exploitation in next 30 days
EPSS Percentile
3.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0014 is in the 22nd percentile among its peer group of 15,940 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2023-53389

kernel: drm/mediatek: dp: Only trigger DRM HPD events if bridge is attached

Sep 18, 2025

References

git.kernel.org / stable/c/3551789d0635dfb2df8ab8e7fdbf0647e9c1724c
Patch
git.kernel.org / stable/c/36b617f7e4ae663fcadd202ea061ca695ca75539
Patch
git.kernel.org / stable/c/6524d3d58797975cc40b85be1e9b89721b4e8d0b
Patch
git.kernel.org / stable/c/d1c04e338016ae2517c641806a831b1f3eee2bed
Patch