CVE-2026-53243 | Linux Kernel up to 7.0.12 rseq rseq_entry.h rseq_exit_user_update uninitialized pointer

June 25, 2026 Yanac

A vulnerability classified as critical was found in Linux Kernel up to 7.0.12. This impacts the function rseq_exit_user_update of the file include/linux/rseq_entry.h of the component rseq. The manipulation results in uninitialized pointer.

This vulnerability is known as CVE-2026-53243. Access to the local network is required for this attack. No exploit is available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More