SB2026020489 - Memory leak in Linux kernel can usb driver



SB2026020489 - Memory leak in Linux kernel can usb driver

Published: February 4, 2026

Security Bulletin ID SB2026020489
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 security vulnerability.


1) Memory leak (CVE-ID: CVE-2026-23058)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the ems_usb_read_bulk_callback() function in drivers/net/can/usb/ems_usb.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.