The vulnerability of the tee_shm_put() function in the Linux operating system, which allows a hacker to cause a service failure

The vulnerability of the teeshmput function in the Linux operating system is related to pointer manipulation. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

UBUNTU-CVE-2025-39865

In the Linux kernel, the following vulnerability has been resolved: tee: fix NULL pointer dereference in teeshmput teeshmput have NULL pointer dereference: opteedisableshmcache -- shm = regpairtoptr...;//shm maybe return NULL teeshmfreeshm; -- teeshmputshm;//crash Add check in teeshmput to fix it...