CVE-2026-68397 | Linux Kernel up to 7.2-rc3 IUCV net/iucv afiucv_hs_rcv use after free

A vulnerability was found in Linux Kernel up to 6.6.147/6.12.100/6.18.41/7.1.5/7.2-rc3. It has been classified as very critical. Affected by this vulnerability is the function afiucv_hs_rcv of the file net/iucv of the component IUCV. This manipulation causes use after free.

This vulnerability is registered as CVE-2026-68397. Remote exploitation of the attack is possible. No exploit is available.

Upgrading the affected component is recommended.