CVE-2026-64334
USB: serial: digi_acceleport: fix hard lockup on disconnect
Using Linux by Linux?
Get instant alerts when new vulnerabilities affect Linux - before attackers find them.
Description
In the Linux kernel, the following vulnerability has been resolved: USB: serial: digi_acceleport: fix hard lockup on disconnect If submitting the OOB write urb fails persistently (e.g if the device is being disconnected) the driver would loop indefinitely with interrupts disabled. Check for urb submission errors when sending OOB commands to avoid hanging if, for example, open(), set_termios() or close() races with a physical disconnect. This is issue was flagged by Sashiko when reviewing an unrelated change to the driver.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/6e51147c2744d15730084dc89cc99180d3de4184
- https://git.kernel.org/stable/c/6a8592ace932081ea11aea41c460a1ca0f6344a4
- https://git.kernel.org/stable/c/5a82d842e8c35227d7227f19e5e654df1451782c
- https://git.kernel.org/stable/c/bcfeae431db9986c2b313e6a760f2ac8df61e138
- https://git.kernel.org/stable/c/2067b3838da6e4af03bae3630414193188d754b2
References (8)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.