SB20251226198 - NULL pointer dereference in Linux kernel firmware arm_ffa driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226198
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-2023-54058)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ffa_device_remove() function in drivers/firmware/arm_ffa/bus.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/48399c297c46b4c8e77ebcf071bb586a42d0ca4e
- https://git.kernel.org/stable/c/6a26c62625c59b8dd7f52c518cb4f60a63470a0e
- https://git.kernel.org/stable/c/ad73dc7263ea90302d6c7eeb7e9f7cbcfa0b0617
- https://git.kernel.org/stable/c/b71b55248a580e9c9befc4ae060539f1f8e477da
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.114
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4