SB20251226297 - Buffer overflow in Linux kernel usb line6



SB20251226297 - Buffer overflow in Linux kernel usb line6

Published: December 26, 2025 Updated: December 31, 2025

Security Bulletin ID SB20251226297
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2022-50719)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to memory corruption within the line6_midi_transmit() function in sound/usb/line6/midi.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.