What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-03 · updated 2026-10-21
• Weakness: CWE-416

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]

Affected products

• Linux kernel: from 6.11.1 before 6.15.3; 6.11, 6.11-rc7 — fixed in 6.15.3

How to fix

Upgrade to a fixed version: Linux kernel 6.15.3. Check the vendor advisory for mitigations.

References

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

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