SB2026050997 - Improper control of a resource through its lifetime in Linux kernel renesas rz-du driver
Published: May 9, 2026
Security Bulletin ID
SB2026050997
CSH 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 vulnerability.
1) Improper control of a resource through its lifetime (CVE-ID: CVE-2026-43294)
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper state management in rzg2l_mipi_dsi_host_transfer() when processing MIPI-DSI commands during panel unprepare on reboot. A local user can trigger a reboot on a system using an affected panel to cause a denial of service.
Only panels that send MIPI-DSI commands in their unprepare() callback are affected.
Remediation
Install update from vendor's website.