CVE-2026-90030
Description
In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: clear forceRM when issuing EndTransfer The forceRM bit of the DEPCMD register controls the behavior of the EndTransfer command used to stop an active transfer. Older DWC3 programming guide revisions recommended setting forceRM=1 when issuing EndTransfer. Newer programming guide revisions recommend issuing EndTransfer with forceRM cleared. With forceRM=1 on DWC_usb31 v2.00a and v2.10a controllers, a transfer aborted through the ep_dequeue path was observed to remain active after EndTransfer completion. A subsequent StartTransfer issued on the same endpoint triggered writes associated with the aborted transfer. This resulted in an SMMU fault because the transfer buffer had already been unmapped during EndTransfer command-completion cleanup. Using forceRM=0 eliminates the issue. Although older DWC3 programming guide revisions recommended setting forceRM=1, no issues are known from using forceRM=0. Clear forceRM when issuing EndTransfer to provide consistent EndTransfer behavior and align with newer programming guide recommendations.
How to fix
- Linux Linux7a50e138fa28e5ba76b11af66ed41cc300c0f2be, 9f1e57c484f9edeaaa5a27a03ed985e98496e81d, 0afe5c31612de3d18cc6d16e616da4a48ba1e5a2, e01408ee52fe5cb2d0b43f47f359336af2b6c316, b58e6200450d350314db0ecda7d6d1bde3281e80, 6.6.160 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | ab99c4be945724b032cc55e05c6738fe1d84bf70 ≤ v < 7a50e138fa28e5ba76b11af66ed41cc300c0f2be, 1e43c86d84fb0503e82a143e017f35421498fc1a ≤ v < 9f1e57c484f9edeaaa5a27a03ed985e98496e81d, 1e43c86d84fb0503e82a143e017f35421498fc1a ≤ v < 0afe5c31612de3d18cc6d16e616da4a48ba1e5a2, 1e43c86d84fb0503e82a143e017f35421498fc1a ≤ v < e01408ee52fe5cb2d0b43f47f359336af2b6c316, 1e43c86d84fb0503e82a143e017f35421498fc1a ≤ v < b58e6200450d350314db0ecda7d6d1bde3281e80, 6.6.37 ≤ v < 6.6.160, 6.9 | 7a50e138fa28e5ba76b11af66ed41cc300c0f2be, 9f1e57c484f9edeaaa5a27a03ed985e98496e81d, 0afe5c31612de3d18cc6d16e616da4a48ba1e5a2, e01408ee52fe5cb2d0b43f47f359336af2b6c316, b58e6200450d350314db0ecda7d6d1bde3281e80, 6.6.160 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.