SB20250916159 - NULL pointer dereference in Linux kernel firmware driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916159
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-2023-53250)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the dmi_sysfs_register_handle() function in drivers/firmware/dmi-sysfs.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/18e126e97c961f7a93823795c879d7c085fe5098
- https://git.kernel.org/stable/c/5d0492d1d934642bdfd2057acc1b56f4b57be465
- https://git.kernel.org/stable/c/b4fe158259fb5fead52ff2b55841ec5c39492604
- https://git.kernel.org/stable/c/e851996b32264e78a10863c2ac41a8689d7b9252
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16