CVE-2021-43267: kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type

Severity: Critical

CVSS Score: 9.8

An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-Process Communication (TIPC) functionality allows remote attackers to exploit insufficient validation of user-supplied sizes for the MSG_CRYPTO message type.