CVE-2025-38369
dmaengine: idxd: Check availability of workqueue allocated by idxd wq driver before using
Reported by linux · Published July 25, 2025
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Check availability of workqueue allocated by idxd wq driver before using Running IDXD workloads in a container with the /dev directory mounted can trigger a call trace or even a kernel panic when the parent process of the container is terminated. This issue occurs because, under certain configurations, Docker does not properly propagate the mount replica back to the original mount point. In this case, when the user driver detaches, the WQ is destroyed but it still calls destroy_workqueue() attempting to completes all pending work. It's necessary to check wq->wq and skip the drain if it no longer exists.
EPSS 0.19% · 8.4th percentile
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| linux_kernel | linux | 6.15.5, 6.12.36, 6.6.96 |
| Linux | Linux | e0051a3daa8b2cb318b03b2f9317c3e40855847a, aee7a7439f8c0884da87694a401930204a57128f, 98fd66c8ba77e3a7137575f610271014bc0e701f, 5.6, 17502e7d7b7113346296f6758324798d536c31fd |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | bfe1d56091c1a404b3d4ce7e9809d745fc4453bb, bfe1d56091c1a404b3d4ce7e9809d745fc4453bb, bfe1d56091c1a404b3d4ce7e9809d745fc4453bb |
| Linux | Linux | 5.6, 0, 6.6.96 |
| Linux | Linux | 6.16, *, 6.15.5 |
| linux | linux_kernel | 5.6, 5.6, 5.6 |
Timeline
- Jul 25, 2025 CVE Published
- Jul 26, 2025 EPSS Score (30 in total, the first dated here)
- Oct 12, 2025 PoC Published (10 in total, the first dated here)
- Mar 29, 2026 Distribution Patch (207 in total, the first dated here)
- Mar 29, 2026 Security Advisory (223 in total, the first dated here)
- Jun 9, 2026 Coalition ESS Score
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