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LIN1024-7728 : Security Advisory - linux - CVE-2025-21773

Created: Feb 27, 2025    Updated: Jun 25, 2025
Resolved Date: Apr 11, 2025
Found In Version: 10.24.33.1
Fix Version: 10.24.33.8
Severity: Standard
Applicable for: Wind River Linux LTS 24
Component/s: Kernel

Description

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

can: etas_es58x: fix potential NULL pointer dereference on udev->serial

The driver assumed that es58x_dev->udev->serial could never be NULL.
While this is true on commercially available devices, an attacker
could spoof the device identity providing a NULL USB serial number.
That would trigger a NULL pointer dereference.

Add a check on es58x_dev->udev->serial before accessing it.

CREATE(Triage):(User=admin) CVE-2025-21773 (https://nvd.nist.gov/vuln/detail/CVE-2025-21773)

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