CVE-2026-64335

CVE-2026-64335 affects the digi_acceleport USB serial driver in the Linux kernel. If a serial port is closed while throttled, the read URB is never resubmitted, leaving the port unable to receive any further data until the device is reconnected or the driver is rebound. The fix clears throttle fl...

PT-2026-64556

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the digi acceleport USB serial driver where the read USB Request Block URB—a data structure used to manage USB transfers—is not resubmitted if the port is closed while...

SUSE CVE-2026-43223

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix URB leak in pvr2sendrequestex When pvr2sendrequestex submits a write URB successfully but fails to submit the read URB e.g. returns -ENOMEM, it returns immediately without waiting for the write URB to complete...

CVE-2026-43223

A flaw was found in the Linux kernel's pvrusb2 media driver. When the pvr2sendrequestex function submits a write USB Request Block URB but fails to submit a read URB, the write URB remains active. A subsequent attempt to use this URB triggers a warning, which can lead to system instability or a...