CVE-2026-98231 | Linux Kernel up to 7.3-rc3 xfrm xfrm_dev_state_free use after free

October 6, 2026 Yanac

A vulnerability was found in Linux Kernel up to 6.6.157/6.12.111/6.18.53/7.2.7/7.3-rc3 and classified as very critical. This affects the function xfrm_dev_state_free of the component xfrm. Such manipulation leads to use after free.

This vulnerability is documented as CVE-2026-98231. The attack can be executed remotely. There is not any exploit available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More