SB20250916177 - NULL pointer dereference in Linux kernel acpi driver
Published: September 16, 2025
Security Bulletin ID
SB20250916177
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-2022-50327)
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_processor_get_lpi_info() function in drivers/acpi/processor_idle.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/2437513a814b3e93bd02879740a8a06e52e2cf7d
- https://git.kernel.org/stable/c/2ecd629c788bbfb96be058edade2e934d3763eaf
- https://git.kernel.org/stable/c/8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9
- https://git.kernel.org/stable/c/ad1190744da9d812da55b76f2afce750afb0a3bd
- https://git.kernel.org/stable/c/b85f0e292f73f353eea915499604fbf50c8238b4
- https://git.kernel.org/stable/c/fdee7a0acc566c4194d40a501b8a1584e86cc208