CVE-2019-25162

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: i2c: corrige un use after free que libera la estructura adap solo después de que hayamos terminado de usarla. Este parche simplemente mueve put_device() un poco hacia abajo para evitar el use after free. [wsa: comentario agregado al código, etiqueta de correcciones agregada]

An out-of-bounds (OOB) memory access flaw was found in the i2c driver module in the Linux kernel.

In the Linux kernel, the following vulnerability has been resolved: i2c: Fix a potential use after free Free the adap structure only after we are done using it. This patch just moves the put_device() down a bit to avoid the use after free. [wsa: added comment to the code, added Fixes tag]

It was discovered that a race condition existed in the instruction emulator of the Linux kernel on Arm 64-bit systems. A local attacker could use this to cause a denial of service. Wei Chen discovered that a race condition existed in the TIPC protocol implementation in the Linux kernel, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service.