CVE-2026-64334
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJul 25, 2026
First seenJul 25, 2026
Weakness typeCWE-667CWE-667
How to fix
Update
- linux linux_kernel5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.96, 6.18.39, 7.1.4 or later
Patches
- git.kernel.org/stable/c/2067b3838da6e4af03bae3630414193188d754b2
- git.kernel.org/stable/c/2b7dc482f859f2d027db07ff0efc1c5df5b3451a
- git.kernel.org/stable/c/5a82d842e8c35227d7227f19e5e654df1451782c
- git.kernel.org/stable/c/5c1ea24b53bf3bfb859f0a05573997487975da23
- git.kernel.org/stable/c/6a8592ace932081ea11aea41c460a1ca0f6344a4
- git.kernel.org/stable/c/6e51147c2744d15730084dc89cc99180d3de4184
- git.kernel.org/stable/c/79bc131df0e50f8f663c1fdbbe952aaf193a8d39
- git.kernel.org/stable/c/bcfeae431db9986c2b313e6a760f2ac8df61e138
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.12.1 ≤ v < 5.10.261, 5.11 ≤ v < 5.15.212, 5.16 ≤ v < 6.1.178, 6.2 ≤ v < 6.6.145, 6.7 ≤ v < 6.12.96, 6.13 ≤ v < 6.18.39, 6.19 ≤ v < 7.1.4, 2.6.12, 7.2 | 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.96, 6.18.39, 7.1.4 |
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