SB2025102139 - NULL pointer dereference in Linux kernel st stm32 driver
Published: October 21, 2025
Security Bulletin ID
SB2025102139
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-2025-40015)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the stm32_csi_phy_reg_write() and stm32_csi_start() functions in drivers/media/platform/st/stm32/stm32-csi.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.