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CVE-2026-64478

Published Jul 25, 2026 EPSS 0.18% (8th pctl)

Overview

CVE-2026-64478 is a known-severity vulnerability. It was published on July 25, 2026.

Technical Description

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

ALSA: usb-audio: avoid kobject path lookup in DualSense match

The DualSense jack-detection input handler verifies that a matching input

device belongs to the same physical controller by building kobject path

strings for both the input device and the USB audio device, then comparing

the path prefix.

This was observed when a weak physical connection caused the controller

to rapidly disconnect and reconnect. During that repeated hotplug,

snd_dualsense_ih_match() can run while the controller's USB device is

being disconnected. kobject_get_path() walks ancestor kobjects and

dereferences their names; if the USB device kobject name is no longer

valid, this can fault in strlen():

RIP: 0010:strlen+0x10/0x30

Call Trace:

kobject_get_path+0x34/0x150

snd_dualsense_ih_match+0x49/0xd0 [snd_usb_audio]

input_register_device+0x566/0x6a0

ps_probe+0xb89/0x1590 [hid_playstation]

The same ownership check can be done wit

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/4246dd043b7a4f8e3bc1d2896e81d11220610eda Ref git.kernel.org/stable/c/4566bf8ae9dbfe81bdc2ff1702d59db8a233b06e Ref git.kernel.org/stable/c/662a1d7b5affc424ea4f4bc20dd99be29e687886 Ref git.kernel.org/stable/c/7693c0cc415f3a16a7a3355f245474a5e661be4e Ref git.kernel.org/stable/c/a263eb12cbe2e208e6e637df0f9b0be9a484158e Ref git.kernel.org/stable/c/a47ecd904c51ae6a42957feb3cf2f4266adee2e5 Ref git.kernel.org/stable/c/c1da6d3f45036fa63672ee04ad97cb526b40b987 Ref git.kernel.org/stable/c/e4c66a149c408e44e60bfec3fabf08b6b7abbc60

Frequently Asked Questions

What is CVE-2026-64478?

CVE-2026-64478 is a known-severity vulnerability. It was published on July 25, 2026.

How severe is CVE-2026-64478?

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-2026-64478?

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-2026-64478?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-64478 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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