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CVE-2025-38014: dmaengine: idxd: Refactor remove call with idxd_cleanup() helper

• Severity: medium (CVSS 5.5 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: 2025-06-18 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Refactor remove call with idxd_cleanup() helper The idxd_cleanup() helper cleans up perfmon, interrupts, internals and so on. Refactor remove call with the idxd_cleanup() helper to avoid code duplication. Note, this also fixes the missing put_device() for idxd groups, enginces and wqs.

Affected products

• Linux kernel: from 5.6 before 6.6.92; from 6.7 before 6.12.30; from 6.13 before 6.14.8; 6.15-rc1, 6.15-rc2, 6.15-rc3, 6.15-rc4, 6.15-rc5, 6.15-rc6 — fixed in 6.12.30, 6.14.8, 6.6.92

How to fix

Upgrade to a fixed version: Linux kernel 6.12.30, 6.14.8, 6.6.92. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/23dc14c52d84b02b39d816bf16a754c0e7d48f9c
• https://git.kernel.org/stable/c/a409e919ca321cc0e28f8abf96fde299f0072a81
• https://git.kernel.org/stable/c/a7bd00f7e9bd075f3e4fbcc608d8ea445aed8692
• https://git.kernel.org/stable/c/d530dd65f6f3c04bbf141702ecccd70170ed04ad

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