CVE-2022-50719
kernel: ALSA: line6: fix stack overflow in line6_midi_transmit
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 24, 2025
Updated · October 30, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
ALSA: line6: fix stack overflow in line6_midi_transmit
Correctly calculate available space including the size of the chunk buffer. This fixes a buffer overflow when multiple MIDI sysex messages are sent to a PODxt device.
Statement
Red Hat has categorized this vulnerability as having a Low severity impact because exploitation requires local access and the physical or emulated presence of specialized Line 6 USB hardware. In standard Red Hat Enterprise Linux server and enterprise deployments, external multimedia and MIDI devices are rarely attached or supported. Consequently, the flaw presents minimal exposure under standard operational environments, with potential risk primarily confined to a localized denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE not specified