CVE-2026-90030 Linux Kernel usb: dwc3 - Denial of Service

Linux kernel usb: dwc3 contains a vulnerability caused by setting forceRM=1 during EndTransfer command on DWC_usb31 v2.00a and v2.10a controllers, letting attackers trigger SMMU faults due to aborted transfers remaining active, exploit requires use of affected hardware controllers.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.18% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026

Vendor fix

Update to a Linux kernel version that clears forceRM when issuing EndTransfer as per newer DWC3 programming guide.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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