CVE-2026-99271 | Linux Kernel up to 6.18.60/7.3.1 ALSA line6 playback.c submit_audio_out_urb prev_fbuf use after free

November 7, 2026 Yanac

A vulnerability was found in Linux Kernel up to 6.18.60/7.3.1. It has been classified as critical. Affected by this vulnerability is the function submit_audio_out_urb of the file sound/usb/line6/playback.c of the component ALSA line6. This manipulation of the argument prev_fbuf causes use after free.

The identification of this vulnerability is CVE-2026-99271. The attack can only be executed locally. There is no exploit available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More