CVE-2026-64335
In the Linux kernel, the following vulnerability has been resolved:
USB: serial: digi_acceleport: fix broken rx after throttle
If the port is closed while throttled, the read urb is never resubmitted
and the port will not receive any further data until the device is
reconnected (or the driver is rebound).
Clear the throttle flags and submit the urb if needed when opening the
port.
CSIRTS triage
- What
- The vulnerability fixes a broken RX after throttle in the digi_acceleport driver.
- Who is affected
- Deployments using the USB serial subsystem.
- Urgency
- Remediation is advised to restore proper functionality, with no known exploits.
- Action
- Implement the fix for the broken RX in the digi_acceleport driver.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.
Advisory coverage (2)
External references
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