SB2025082872 - NULL pointer dereference in Linux kernel power supply driver
Published: August 28, 2025
Security Bulletin ID
SB2025082872
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-2025-38634)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the cpcap_usb_detect() function in drivers/power/supply/cpcap-charger.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/27001e4f146624c4b3389b029bdc0f8049819560
- https://git.kernel.org/stable/c/8e9bdb563916287ba1b4258812434e0585ac6d00
- https://git.kernel.org/stable/c/9784d832d7c103539cd9afb376534eaa35815d3d
- https://git.kernel.org/stable/c/a2436263144980cc99a9860c7b43335847afbe53
- https://git.kernel.org/stable/c/d9fa3aae08f99493e67fb79413c0e95d30fca5e9
- https://git.kernel.org/stable/c/f642500aa7ed93d2606e4f929244cce9c7467b3a