CVE-2026-43281 | Linux Kernel up to 6.19.5 mailbox fw_mbox_index_xlate out-of-bounds

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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.VulDB Recent EntriesRead More