PT-2026-64556 · Linux · Linux

CVE-2026-64335 · Published 2026-07-25 · Updated 2026-07-25

NVD

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.

Related Identifiers

CVE-2026-64335

Affected Products

Linux

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2026-64335 · Security Note
• https://git.kernel.org/stable/c/abacd67e6f689c62d8a13e3da25f4272bc9ad4af · Note
• https://git.kernel.org/stable/c/8d50a910194f66566a5eb252b33283855c8d5203 · Note
• https://git.kernel.org/stable/c/61954033326fc7e637ed2aeeb4b52021e0ee4657 · Note
• https://git.kernel.org/stable/c/4f3f6f44db71e469933a7c36c5d57d937ba0a21b · Note
• https://git.kernel.org/stable/c/eab394781e9321c0c7e97a24fd092387cb262f40 · Note
• https://git.kernel.org/stable/c/92fa3e1a49848509ea3f7995751963fc65095998 · Note
• https://git.kernel.org/stable/c/d5d2660caef78d4c996d34d123574c8e86f5b5ac · Note
• https://git.kernel.org/stable/c/83a3dfc018943b05b6daf3a6f891833e1aabfa1f · Note