SB20251230237 - NULL pointer dereference in Linux kernel drm bridge driver
Published: December 30, 2025 Updated: December 30, 2025
Security Bulletin ID
SB20251230237
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-2022-50878)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the lt9611_connector_init() function in drivers/gpu/drm/bridge/lontium-lt9611.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/3959e8faf8bf6bea619e8856c736db64e6eced37
- https://git.kernel.org/stable/c/912f84e15e94ab87f5a7156aa1870090373d8304
- https://git.kernel.org/stable/c/a29f7427041a943484f916157c43c46d3bbf25d4
- https://git.kernel.org/stable/c/b2e4323e0020213f44dca6ffc815d66aef39f6f6
- https://git.kernel.org/stable/c/ef8886f321c5dab8124b9153d25afa2a71d05323
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.150
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.75
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1