The vulnerability of the copy_from_user() function in the arch/sparc/lib/U3memcpy.S module of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the copyfromuser function in the arch/sparc/lib/U3memcpy.S file of the Linux operating system’s kernel is related to the lack of a check on the returned value. Exploiting this vulnerability could allow an attacker to cause a service failure remotely...

Null pointer dereference

An issue was discovered in getvdevportnodeinfo in arch/sparc/kernel/mdesc.c in the Linux kernel through 5.1.6. There is an unchecked kstrdupconst of nodeinfo-vdevport.name, which might allow an attacker to cause a denial of service NULL pointer dereference and system crash...