CVE-2026-46064 | Linux Kernel up to 6.6.139/6.12.85/6.18.26/7.0.3 ibmasm_send_i2o_message heap-based overflow

A vulnerability labeled as critical has been found in Linux Kernel up to 6.6.139/6.12.85/6.18.26/7.0.3. Affected by this vulnerability is the function ibmasm_send_i2o_message. Such manipulation leads to heap-based buffer overflow.

This vulnerability is listed as CVE-2026-46064. The attack must be carried out from within the local network. There is no available exploit.

The affected component should be upgraded.