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.

A flaw was found in the Linux kernel's USB serial digi_acceleport driver. This vulnerability occurs when a port is closed while it is in a throttled state, preventing the read Urban Request Block (URB) from being resubmitted. As a result, the affected port will cease to receive any further data, leading to a denial of service (DoS) for data reception until the device is reconnected or the driver is rebound.

Red Hat Enterprise Linux 10 Fix deferred kernel Red Hat Enterprise Linux 6 Out of support scope kernel Red Hat Enterprise Linux 7 Fix deferred kernel Red Hat Enterprise Linux 7 Fix deferred kernel-rt Red Hat Enterprise Linux 8 Fix deferred kernel Red Hat Enterprise Linux 8 Fix deferred kernel-rt Red Hat Enterprise Linux 9 Fix deferred kernel Red Hat Enterprise Linux 9 Fix deferred kernel-rt https://www.cve.org/CVERecord?id=CVE-2026-64335 https://nvd.nist.gov/vuln/detail/CVE-2026-64335 https://lore.kernel.org/linux-cve-announce/2026072514-CVE-2026-64335-5f8c@gregkh/T