Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v4.19.247

Description The issue is related to the xfrm4 protocol init() function. It was introduced in version v3.15 and fixed in Linux Kernel version v4.19.247. The actual impact and attack plausibility have not yet been proven.

Recommendations For Linux Kernel versions prior to v4.19.247, update to version v4.19.247 or later to resolve the issue. As a temporary workaround, consider restricting access to the xfrm4 protocol init() function until a patch is available.