SB20250916169 - NULL pointer dereference in Linux kernel msm dsi driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916169
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2023-53223)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the msm_dsi_host_init() function in drivers/gpu/drm/msm/dsi/dsi_host.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/115906ca7b535afb1fe7b5406c566ccd3873f82b
- https://git.kernel.org/stable/c/25a6499b1a53d854eda2b161b5c8a20296515dbe
- https://git.kernel.org/stable/c/3a9a4a9725c60f04326b5019a52ce15aee808506
- https://git.kernel.org/stable/c/3e18f157faeeb59034404569e8e07cbe1c0030a7
- https://git.kernel.org/stable/c/540c66180afd59309a442d3bf1f2393464c8b4c5
- https://git.kernel.org/stable/c/5dfe7a5386fde5a656ca06602b31bf50e26954cd
- https://git.kernel.org/stable/c/759ea5677c362fb1e3edc667260ba9f409dc931d
- https://git.kernel.org/stable/c/9257974858ee847b2e1fd552691b8ba5c2fc1c7b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.276