Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v4.19.214

Description The issue is related to the isdn component, specifically the cpai function, where a check on ctr->cnr is necessary to prevent an array index out of bounds condition. The actual impact and attack plausibility of this issue have not yet been proven.

Recommendations For Linux Kernel versions prior to v4.19.214, update to version v4.19.214 or later to resolve the issue.