The vulnerability of the idxd_cmd_exec() function in the drivers/dma/idxd/device.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the idxdcmdexec function in the drivers/dma/idxd/device.c module of the Linux operating system is related to the assignment of the NULL pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2021-47003

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix potential null dereference on pointer status There are calls to idxdcmdexec that pass a null status pointer however a recent commit has added an assignment to status that can end up with a null pointer...