SB20251230241 - NULL pointer dereference in Linux kernel drm bridge driver
Published: December 30, 2025 Updated: December 30, 2025
Security Bulletin ID
SB20251230241
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-2022-50847)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the it6505_bridge_attach() and it6505_i2c_probe() functions in drivers/gpu/drm/bridge/ite-it6505.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/172d4d64075075f955e6e416915e3f287eec514a
- https://git.kernel.org/stable/c/8ed8505803774fc3f36a432718036c21cc51e2ba
- https://git.kernel.org/stable/c/e577d4b13064c337b83fe7edecb3f34e87144821
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2