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CVE-2026-31441 dmaengine: idxd: Fix memory leak when a wq is reset
Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix memory leak when a wq is reset idxd_wq_disable_cleanup() which is called from the reset path for a workqueue, sets the wq type to NONE, which for other parts of the driver mean that the wq is empty (all its resources were released). Only set the wq type to NONE after its resources are released.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 7.0 | earliest → < 7.0 | 7.0 |
| Linux 6.19 | earliest → < 6.19.11 | 6.19.11 |
| Linux 6.18 | earliest → < 6.18.21 | 6.18.21 |
| Linux 6.12 | earliest → < 6.12.80 | 6.12.80 |
| Linux 6.6 | earliest → < 6.6.131 | 6.6.131 |
| Linux 6.1 | earliest → < 6.1.168 | 6.1.168 |
| Linux | 5.8 | No fix stated |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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