SB20260114159 - NULL pointer dereference in Linux kernel acpi acpica driver
Published: January 14, 2026
Security Bulletin ID
SB20260114159
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-2025-71118)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the acpi_ns_walk_namespace() function in drivers/acpi/acpica/nswalk.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/0d8bb08126920fd4b12dbf32d9250757c9064b36
- https://git.kernel.org/stable/c/1bc34293dfbd266c29875206849b4f8e8177e6df
- https://git.kernel.org/stable/c/7f9b951ed11842373851dd3c91860778356d62d3
- https://git.kernel.org/stable/c/9d6c58dae8f6590c746ac5d0012ffe14a77539f0
- https://git.kernel.org/stable/c/f91dad0a3b381244183ffbea4cec5a7a69d6f41e