CVE-2026-74640 | Linux Kernel up to 6.18.44/7.1.8 ALSA FCP fcp_meter_ctl_get meter_level_map/channels out-of-bounds write

A vulnerability described as very critical has been identified in Linux Kernel up to 6.18.44/7.1.8. Affected by this issue is the function fcp_meter_ctl_get of the component ALSA FCP. Such manipulation of the argument meter_level_map/channels leads to out-of-bounds write.

This vulnerability is documented as CVE-2026-74640. The attack needs to be performed locally. There is not any exploit available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More