CVE-2026-64334

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.

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EPSS — Exploit Prediction

0.0022

Probability of exploitation

0.13%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other 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

Frequently Asked Questions

What is CVE-2026-64334? +

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.

How do I check if I'm vulnerable to CVE-2026-64334? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.