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CVE-2026-68456

Published Aug 15, 2026 EPSS 0.18% (7th pctl)

Overview

CVE-2026-68456 is a known-severity vulnerability. It was published on August 15, 2026.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

usb: atm: ueagle-atm: wait for pre-firmware load in .disconnect()

ueagle-atm uses the asynchronous request_firmware_nowait() in .probe(),

but does not wait for its completion, not even in .disconnect(); so, if the

device is unplugged meanwhile, its teardown runs concurrently with that.

Even though this inconsistency is worth addressing on its own, it has also

triggered several bug reports in syzbot over the years (some auto-closed)

where the firmware sysfs fallback mechanism (CONFIG_FW_LOADER_USER_HELPER)

creates a firmware subdirectory in the device directory during its removal,

which might hit unexpected conditions in kernfs, apparently, depending at

which point the add and remove operations raced. (See links.)

The pattern is:

usb ?-?: Direct firmware load for ueagle-atm/eagle?.fw failed with error -2

usb ?-?: Falling back to sysfs fallback for: ueagle-atm/eagle?.fw

<ERROR>

Call trace:

...

kernfs_create_dir_ns

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Ref git.kernel.org/stable/c/509b51327320bdeaef1969248177a446ded073ab Ref git.kernel.org/stable/c/76861031b43a18065d13f9ffb8595d25c7576005 Ref git.kernel.org/stable/c/bbfedc84714064ea4845e6b76f96316eb5bb65d8 Ref git.kernel.org/stable/c/c581e30ae5b332d8acef64475a211b3f82099941 Ref git.kernel.org/stable/c/d85f19aaef42a03e3e4765d659c761c8750a7f23 Ref git.kernel.org/stable/c/ddcdac47e1f2651c7be60e299f98faf981522797 Ref git.kernel.org/stable/c/e2674dfbed8a30d57e2bc872c4bfa6c3eec918bf Ref git.kernel.org/stable/c/f2a6abc670104fc3e383ee3b1cf35c070485e3df

Frequently Asked Questions

What is CVE-2026-68456?

CVE-2026-68456 is a known-severity vulnerability. It was published on August 15, 2026.

How severe is CVE-2026-68456?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-68456?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-68456?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-68456 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

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