CVE-2026-64334
Published: July 29, 2026Last modified: August 14, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.182-r0) |
| 25 LTS | linux-lts | Fixed (6.12.103-r0) | |
| Stream | linux-lts | Fixed (6.18.43-r0) |
References
- https://git.kernel.org/stable/c/2067b3838da6e4af03bae3630414193188d754b2
- https://git.kernel.org/stable/c/2b7dc482f859f2d027db07ff0efc1c5df5b3451a
- https://git.kernel.org/stable/c/5a82d842e8c35227d7227f19e5e654df1451782c
- https://git.kernel.org/stable/c/5c1ea24b53bf3bfb859f0a05573997487975da23
- https://git.kernel.org/stable/c/6a8592ace932081ea11aea41c460a1ca0f6344a4
- https://git.kernel.org/stable/c/6e51147c2744d15730084dc89cc99180d3de4184
- https://git.kernel.org/stable/c/79bc131df0e50f8f663c1fdbbe952aaf193a8d39
- https://git.kernel.org/stable/c/bcfeae431db9986c2b313e6a760f2ac8df61e138