CVE-2021-47188

In the Linux kernel, the following vulnerability has been resolved: scsi:
ufs: core: Improve SCSI abort handling The following has been observed on a
test setup: WARNING: CPU: 4 PID: 250 at drivers/scsi/ufs/ufshcd.c:2737
ufshcd_queuecommand+0x468/0x65c Call trace: ufshcd_queuecommand+0x468/0x65c
scsi_send_eh_cmnd+0x224/0x6a0 scsi_eh_test_devices+0x248/0x418
scsi_eh_ready_devs+0xc34/0xe58 scsi_error_handler+0x204/0x80c
kthread+0x150/0x1b4 ret_from_fork+0x10/0x30 That warning is triggered by
the following statement: WARN_ON(lrbp->cmd); Fix this warning by clearing
lrbp->cmd from the abort handler.