CVE-2026-80985 | Linux Kernel up to 6.18.49/7.2.3 SMC-Rv2 LLC net/smc wr_rx_buf_v2 buffer overflow

A vulnerability identified as very critical has been detected in Linux Kernel up to 6.18.49/7.2.3. The impacted element is the function smc_llc_rmt_delete_rkey/smc_llc_save_add_link_rkeys of the file net/smc of the component SMC-Rv2 LLC. The manipulation of the argument wr_rx_buf_v2 leads to buffer overflow.

This vulnerability is documented as CVE-2026-80985. The attack can be initiated remotely. There is not any exploit available.

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