A vulnerability classified as critical was found in Linux Kernel up to 6.1.166/6.6.129/6.12.76/6.18.15/6.19.5. This affects the function
fw_mbox_index_xlate of the component mailbox. Such manipulation leads to out-of-bounds read.
This vulnerability is referenced as CVE-2026-43281. The attack needs to be initiated within the local network. No exploit is available.
Upgrading the affected component is advised.