CVE-2023-53603 | Linux Kernel up to 5.15.120/6.1.39/6.4.4 sa_ctl null pointer dereference

October 4, 2025 Yanac

A vulnerability was found in Linux Kernel up to 5.15.120/6.1.39/6.4.4 and classified as critical. Impacted is the function sa_ctl. The manipulation results in null pointer dereference.

This vulnerability is identified as CVE-2023-53603. The attack can only be performed from the local network. There is not any exploit available.

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