Medium 5.5Published Jul 25, 2026

CVE-2026-64335USB: serial: digi_acceleport: fix broken rx after throttle

Updated under an hour ago (Oct 26, 2026, 5:30 PM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Aug 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 4f3f6f44db71e469933a7c36c5d57d937ba0a21b; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before d5d2660caef78d4c996d34d123574c8e86f5b5ac; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 61954033326fc7e637ed2aeeb4b52021e0ee4657; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 8d50a910194f66566a5eb252b33283855c8d5203; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before abacd67e6f689c62d8a13e3da25f4272bc9ad4af; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before eab394781e9321c0c7e97a24fd092387cb262f40; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 92fa3e1a49848509ea3f7995751963fc65095998; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 83a3dfc018943b05b6daf3a6f891833e1aabfa1f	CNA record
linux linux_kernel linux:linux_kernel	from 2.6.12.1 before 5.10.261; from 5.11 before 5.15.212; from 5.16 before 6.1.178; from 6.2 before 6.6.145; from 6.7 before 6.12.96; from 6.13 before 6.18.39; from 6.19 before 7.1.4; 2.6.12; and 6 more ranges	NVD

References

References

https://git.kernel.org/stable/c/4f3f6f44db71e469933a7c36c5d57d937ba0a21b	patch
https://git.kernel.org/stable/c/d5d2660caef78d4c996d34d123574c8e86f5b5ac	patch
https://git.kernel.org/stable/c/61954033326fc7e637ed2aeeb4b52021e0ee4657	patch
https://git.kernel.org/stable/c/8d50a910194f66566a5eb252b33283855c8d5203	patch
https://git.kernel.org/stable/c/abacd67e6f689c62d8a13e3da25f4272bc9ad4af	patch
https://git.kernel.org/stable/c/eab394781e9321c0c7e97a24fd092387cb262f40	patch
https://git.kernel.org/stable/c/92fa3e1a49848509ea3f7995751963fc65095998	patch
https://git.kernel.org/stable/c/83a3dfc018943b05b6daf3a6f891833e1aabfa1f	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.