CVE-2026-72138 | Linux Kernel up to 7.2-rc1 gntdev drivers/xen/gntdev.c gntdev_ioctl_map_grant_ref memory leak

August 15, 2026 Yanac

A vulnerability was found in Linux Kernel up to 7.2-rc1. It has been rated as very critical. This affects the function gntdev_ioctl_map_grant_ref of the file drivers/xen/gntdev.c of the component gntdev. The manipulation leads to memory leak.

This vulnerability is referenced as CVE-2026-72138. Remote exploitation of the attack is possible. No exploit is available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More