#VU115421 NULL pointer dereference in Linux kernel - CVE-2023-53250
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115421
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53250
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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 repository.
External links
- 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