CVE-2021-47101

In the Linux kernel, the following vulnerability has been resolved: asix:
fix uninit-value in asix_mdio_read() asix_read_cmd() may read less than
sizeof(smsr) bytes and in this case smsr will be uninitialized. Fail log:
BUG: KMSAN: uninit-value in asix_check_host_enable
drivers/net/usb/asix_common.c:82 [inline] BUG: KMSAN: uninit-value in
asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline]
drivers/net/usb/asix_common.c:497 BUG: KMSAN: uninit-value in
asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497
drivers/net/usb/asix_common.c:497 asix_check_host_enable
drivers/net/usb/asix_common.c:82 [inline] asix_check_host_enable
drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497
asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497
drivers/net/usb/asix_common.c:497