CVE-2021-47337

A vulnerability was found in the Linux kernel’s SCSI subsystem. The issue occurs when the system tries to stop an error handler thread that failed to start; if the thread fails to spawn, the kernel may dereference a bad pointer, leading to potential system crash.

Mitigation

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.