In the Linux kernel, the following vulnerability has been resolved: scsi: target: pscsi: Fix bioput() for error case As of commit 066ff571011d ("block: turn biokmalloc into a simple kmalloc wrapper"), a bio allocated by biokmalloc() must be freed by biouninit() and kfree(). That is not done properly for the error case, hitting WARN and NULL pointer dereference in bio_free().