SB20260919155 - Use of uninitialized resource in Linux kernel ethernet freescale driver

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Main Vulnerability Database SB20260919155

SB20260919155 - Use of uninitialized resource in Linux kernel ethernet freescale driver

Published: September 19, 2026

Security Bulletin ID SB20260919155
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Use of uninitialized resource (CVE-ID: CVE-2026-90056)

CWE-ID: CWE-908 - Use of Uninitialized Resource

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to use of an uninitialized resource in the FEC Ethernet driver PTP cleanup paths when handling failed device initialization or device removal. A local user can trigger failed device initialization or device removal to cause a denial of service.

PTP initialization is performed only when extended buffer descriptors are available.


Remediation

Install update from vendor's website.

References