CVE-2026-98256 | Linux Kernel up to 6.18.53/7.2.7/7.3-rc3 Signal __send_signal_locked use after free

A vulnerability classified as very critical has been found in Linux Kernel up to 6.18.53/7.2.7/7.3-rc3. This impacts the function __send_signal_locked of the component Signal. This manipulation causes use after free.

The identification of this vulnerability is CVE-2026-98256. It is possible to initiate the attack remotely. There is no exploit available.

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