CVE-2021-47289

A vulnerability was found in the Linux kernel’s ACPI subsystem, where the acpi_dev_put() function could attempt to operate on a NULL pointer, leads to a system crash due to a NULL pointer dereference, causing instability when managing ACPI devices.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

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.