Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.16.19

Description A memory leak was discovered in the acrn dev ioctl() function. The issue was introduced in version v5.12 and is fixed in Linux Kernel version v5.16.19.

Recommendations For Linux Kernel versions prior to v5.16.19, update to version v5.16.19 or later to resolve the issue. As a temporary workaround, consider restricting access to the acrn dev ioctl() function until a patch is available.