CVE-2026-81003 | Linux Kernel up to 6.12.108/6.18.49/7.2.3 af_iucv net/iucv afiucv_hs_rcv hs_dev injection

A vulnerability identified as very critical has been detected in Linux Kernel up to 6.12.108/6.18.49/7.2.3. This affects the function afiucv_hs_rcv of the file net/iucv of the component af_iucv. Performing a manipulation of the argument hs_dev results in injection.

This vulnerability is cataloged as CVE-2026-81003. It is possible to initiate the attack remotely. There is no exploit available.

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