SB2025082048 - NULL pointer dereference in Linux kernel devfreq driver
Published: August 20, 2025
Security Bulletin ID
SB2025082048
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-2025-38609)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the devfreq_remove_governor() function in drivers/devfreq/devfreq.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/2731c68f536fddcb71332db7f8d78c5eb4684c04
- https://git.kernel.org/stable/c/631e101728df2a86b8fb761b49fad9712c651f8a
- https://git.kernel.org/stable/c/75323a49aa603cf5484a6d74d0d329e86d756e11
- https://git.kernel.org/stable/c/81f50619370045120c133bfdda5b320c8c97d41e
- https://git.kernel.org/stable/c/bab7834c03820eb11269bc48f07c3800192460d2
- https://git.kernel.org/stable/c/d5632359dbc44862fc1ed04093c1f57529830261