UBUNTU-CVE-2021-4441

In the Linux kernel, the following vulnerability has been resolved: spi: spi-zynq-qspi: Fix a NULL pointer dereference in zynqqspiexecmemop In zynqqspiexecmemop, kzalloc is directly used in memset, which could lead to a NULL pointer dereference on failure of kzalloc. Fix this bug by adding a chec...